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What Does It Mean to Believe in Jesus?

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The New Testament urges us throughout to believe in Jesus Christ. The well-known scripture John 3:16 John 3:16For God so loved the world, that he gave his only begotten Son, that whoever believes in him should not perish, but have everlasting life.
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explains that God loved the world and gave His Son so “that whoever believes in Him should not perish but have everlasting life.” Other passages promise that those who believe in Jesus receive forgiveness of their sins (Acts 10:43 Acts 10:43To him give all the prophets witness, that through his name whoever believes in him shall receive remission of sins.
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) and salvation (Romans 1:16 Romans 1:16For I am not ashamed of the gospel of Christ: for it is the power of God to salvation to every one that believes; to the Jew first, and also to the Greek.
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). Believing in Jesus is obviously very  important.

In recognition of this instruction, many have been told that all they need to do is believe on Jesus to receive the benefit of all His promised blessings. But what many do not understand is what Jesus and the New Testament writers actually meant by the directive to “believe.” The vast majority of those claiming to be Christians today assume that this word simply means to recognize Jesus as Savior.

Many well-intentioned yet mistaken teachers have said that nothing else is required along with belief in Jesus. Their reasoning is that if any works are involved, a person is trying to earn his salvation—something that is impossible to do (Galatians 2:16 Galatians 2:16Knowing that a man is not justified by the works of the law, but by the faith of Jesus Christ, even we have believed in Jesus Christ, that we might be justified by the faith of Christ, and not by the works of the law: for by the works of the law shall no flesh be justified.
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). Indeed, it is by grace —God's favor toward us, including His gift of undeserved, unearned pardon—that we are saved (2 Timothy 1:9 2 Timothy 1:9Who has saved us, and called us with an holy calling, not according to our works, but according to his own purpose and grace, which was given us in Christ Jesus before the world began,
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; Ephesians 2:5 Ephesians 2:5Even when we were dead in sins, has quickened us together with Christ, (by grace you are saved;)
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, 8).

But if no works are involved, does this mean one who believes that God exists and that Jesus is His Son and who is willing to receive all God's promises doesn't need to do anything? Does this mean such an individual can live a life of sexual immorality, lying, stealing, killing—breaking every commandment of God—and still receive eternal life?

Human beings have long wrestled with understanding the relationship between believing in Jesus and good works. Human opinions and interpretations abound. Let's lay these aside and see how Jesus and the writers of the New Testament explain what believing in Jesus means.

Believing means accepting all of Jesus' teaching

After miraculously feeding 5,000 men plus women and children with five loaves of bread and two small fish, the disciples gathered up 12 baskets of leftover food (John 6:5-13 John 6:5-13 5 When Jesus then lifted up his eyes, and saw a great company come to him, he said to Philip, From where shall we buy bread, that these may eat? 6 And this he said to prove him: for he himself knew what he would do. 7 Philip answered him, Two hundred pennyworth of bread is not sufficient for them, that every one of them may take a little. 8 One of his disciples, Andrew, Simon Peter’s brother, said to him, 9 There is a lad here, which has five barley loaves, and two small fishes: but what are they among so many? 10 And Jesus said, Make the men sit down. Now there was much grass in the place. So the men sat down, in number about five thousand. 11 And Jesus took the loaves; and when he had given thanks, he distributed to the disciples, and the disciples to them that were set down; and likewise of the fishes as much as they would. 12 When they were filled, he said to his disciples, Gather up the fragments that remain, that nothing be lost. 13 Therefore they gathered them together, and filled twelve baskets with the fragments of the five barley loaves, which remained over and above to them that had eaten.
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). “Then those men, when they had seen the sign that Jesus did [the miracle of feeding the multitude], said, 'This is truly the Prophet who is to come into the world'” (verse 14)—a reference to a great successor to Moses foretold in Scripture. These men believed that Jesus truly was of God.

After Jesus departed from the scene, many of those who enjoyed the miraculous meal came searching for Him. They wanted Jesus to perform another miracle, saying that this would help them believe Him (verse 30).

Rather than perform another miracle at this time, Jesus taught the people. He explained that, unlike the physical bread the crowd had recently eaten, He was the true bread from heaven who would give eternal life to the world (verses 32-33).

He told them that His followers would need to “eat the flesh of the Son of Man and drink His blood” (verse 53)—referring to the symbols of bread and wine in the annual Passover service and internalizing what these meant, affirming their covenant relationship with Him. This would ultimately lead to eternal life (verse 54).

Many of those listening to Jesus, including His own disciples, found this teaching difficult to understand (verse 60). Addressing this large group, Jesus then said, “'But there are some of you who do not believe.' For Jesus knew from the beginning who they were who did not believe, and who would betray Him.” After this, “many of His disciples went back and walked with Him no more” (verses 64, 66).

Though many of these same people had said that they believed Jesus was “the Prophet” whose coming was foretold by Scripture (verse 14), they did not believe what Jesus said. What Jesus meant by believing in Him included believing everything He said. It meant far more than just accepting free gifts He was offering.

Believing means conviction to obey

One of the many traditions of the Jews during the first century was to carefully wash their hands in a special way prior to eating food. Noticing that some of Jesus' disciples had started eating without going through this meticulous ceremony, some of the Pharisees and scribes found fault with them and asked Jesus why His disciples had not carried out this ritual (Mark 7:1-5 Mark 7:1-5 1 Then came together to him the Pharisees, and certain of the scribes, which came from Jerusalem. 2 And when they saw some of his disciples eat bread with defiled, that is to say, with unwashed, hands, they found fault. 3 For the Pharisees, and all the Jews, except they wash their hands oft, eat not, holding the tradition of the elders. 4 And when they come from the market, except they wash, they eat not. And many other things there be, which they have received to hold, as the washing of cups, and pots, brazen vessels, and of tables. 5 Then the Pharisees and scribes asked him, Why walk not your disciples according to the tradition of the elders, but eat bread with unwashed hands?
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Jesus told them that they were hypocrites for asking such a question, declaring that these words from the Old Testament applied to them: “This people honors Me with their lips, but their heart is far from Me. And in vain they worship Me, teaching as doctrines the commandments of men” (verses 6-7).

Continuing, Jesus said, “'For laying aside the commandment of God, you hold the tradition of men—the washing of pitchers and cups, and many other such things you do . . . All too well you reject the commandment of God, that you may keep your tradition'” (verses 8-9).

Today many who claim to believe in Jesus also follow the commandments of men rather than those of God. For example, instead of assembling to worship God on the biblical weekly Sabbath (sunset Friday to sunset Saturday) and annual Holy Days as commanded by God, they worship on Sunday and holidays that originated in pagan religious worship, including Christmas and Easter.

In His famous Sermon on the Mount, Jesus said: “Not everyone who says to Me, 'Lord, Lord,' shall enter the kingdom of heaven, but he who does the will of My Father in heaven. Many will say to Me in that day, 'Lord, Lord, have we not prophesied in Your name, cast out demons in Your name, and done many wonders in Your name?' And then I will declare to them, 'I never knew you; depart from Me, you who practice lawlessness!'” (Matthew 7:21-23 Matthew 7:21-23 21 Not every one that said to me, Lord, Lord, shall enter into the kingdom of heaven; but he that does the will of my Father which is in heaven. 22 Many will say to me in that day, Lord, Lord, have we not prophesied in your name? and in your name have cast out devils? and in your name done many wonderful works? 23 And then will I profess to them, I never knew you: depart from me, you that work iniquity.
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, emphasis added throughout).

In accepting the correct teaching that we cannot earn our salvation through works, many have naively embraced the incorrect teaching that keeping God's commandments doesn't matter. Jesus' own words clearly show that He expects believers to lay aside the commandments of men and keep the commandments of God—even though this obedience will not earn them salvation.

Believing means resolving to be baptized

A popular notion among some professing Christians is that baptism is unnecessary because all one has to do is accept Jesus in one's heart. In this regard, some note Romans 10:9 Romans 10:9That if you shall confess with your mouth the Lord Jesus, and shall believe in your heart that God has raised him from the dead, you shall be saved.
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, which says, “If you confess with your mouth the Lord Jesus and believe in your heart that God has raised Him from the dead, you will be saved.”

Again, the issue here is: What does it mean to believe in your heart? And once again, rather than letting others define what constitutes believing, let's note what Jesus said.

In giving instructions to His disciples about the work they would do following His return to heaven, Jesus plainly told them: “Go into all the world and preach the good news to all creation. Whoever believes and is baptized will be saved, but whoever does not believe will be condemned” (Mark 16:15-16 Mark 16:15-16 15 And he said to them, Go you into all the world, and preach the gospel to every creature. 16 He that believes and is baptized shall be saved; but he that believes not shall be damned.
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, New International Version).

Jesus clearly taught that genuine belief in Him would be coupled with baptism. Other passages show us that baptism includes repentance —changing from a sinful lifestyle to one of obedience to God's laws (Matthew 4:17 Matthew 4:17From that time Jesus began to preach, and to say, Repent: for the kingdom of heaven is at hand.
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; Acts 2:38 Acts 2:38Then Peter said to them, Repent, and be baptized every one of you in the name of Jesus Christ for the remission of sins, and you shall receive the gift of the Holy Ghost.
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When we look at Christ's teaching and that of His disciples, it becomes clear that when they said we must believe in Christ, this was with the perspective that believing would include baptism. Baptism is an outward symbol of a person's new life based on turning from breaking God's laws to obeying God's laws.

The notion that one can believe in Jesus without obeying His instructions, keeping the commandments and being baptized is a common but biblically flawed perspective. Jesus addressed this same fallacy during His earthly ministry by asking, “Why do you call Me 'Lord, Lord,' and do not do the things which I say?” (Luke 6:46 Luke 6:46And why call you me, Lord, Lord, and do not the things which I say?
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To the contrary, He said, “By this My Father is glorified, that you bear much fruit; so you will be My disciples” (John 15:8 John 15:8Herein is my Father glorified, that you bear much fruit; so shall you be my disciples.
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). Genuine belief in Jesus is not a passive experience. Disciples of Jesus will act on His teaching!

When it comes to deciding what believing in Jesus means, why not believe and act on what Jesus Himself said? GN

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