Will Jesus come back?
Yes, the New Testament is very clear that Jesus will return. At least five witnesses testify to the Second Coming of Jesus Christ: Jesus himself, angels, all the writers of the New Testament, the church ordinance of Communion, and direct prophecy. The night before Jesus was arrested, he told his disciples that he would be killed, that he would rise again, and that he would be leaving them to prepare a place in Heaven for them. However, in John 14:3, he told them, "If I go and prepare a place for you, I will come back and take you to be with me that you also may be where I am." There are many other occasions where Jesus taught the disciples that the "Son of Man," which was a name he used for himself, would come in the future.
After Jesus' crucifixion, he rose from the grave and remained on earth for 40 days, during which many people saw him. He did not die again, but he ascended into heaven in the sight of his disciples. After he disappeared from their sight, angels appeared and said, "This same Jesus, who has been taken from you into heaven, will come back in the same way you have seen him go into heaven" (Acts 1:11).
Every writer of the New Testament books refers to the Second Coming, most of them multiple times. In I Thessalonians 4:16, Paul explains, "For the Lord himself will come down from heaven, with a loud command, with the voice of the archangel and with the trumpet call of God." The writer of Hebrews says, "For in just a very little while, 'He who is coming will come and will not delay'" (Hebrews 10:37). Peter tells us, "And when the Chief Shepherd appears, you will receive the crown of glory that will never fade away" (I Peter 5:4). In I John, the writer refers more than once to "when he appears" and "his coming." Even Jude, in his little epistle, mentions the Second Coming in verses 14 and 15.
Christians are taught to take Communion, also known as the Lord's Supper, as a church ordinance. Paul explains in I Corinthians 11:26 that Christians look backward to Jesus' death when they do so, but also forward to his Second Coming: "For whenever you eat this bread and drink this cup, you proclaim the Lord's death until he comes."
Finally, the New Testament book of prophecy, Revelation, directly prophesies in multiple places Christ's return. One of those is in chapter 1 verse 7: "Look, he is coming with the clouds, and every eye will see him, even those who pierced him; and all the peoples of the earth will mourn because of him. So shall it be! Amen."
These are just a few of the many, many Bible passages that testify to Jesus' return. Some have believed or taught that Jesus' return will be spiritual, or that it has already happened. Both these teachings contradict Scripture, for the angels made it clear that he would come in the same way he went--meaning in physical form in the clouds. The Bible also teaches that when Jesus returns, he will not come alone. All those who have died "in him," meaning that they were believers, will come back with him, according to II Thessalonians 4:14. As far as when Christ's return will happen, that is a secret that God is keeping for himself. All we know is that "the day of the Lord will come like a thief in the night" (II Thess. 5:2). In the meantime, believers are to "live self-controlled, upright, and godly lives in this present age while we wait for the blessed hope--the glorious appearing of our great God and Savior, Jesus Christ" (Titus 2:12-13).