"Men of Galilee," they said, "why do you stand here looking into the sky? 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 NIV)
Behold, he is coming with the clouds, and every eye will see him, even those who pierced him, and all tribes of the earth will wail on account of him. Even so. Amen. (Revelation 1:7 ESV)
Then will appear in heaven the sign of the Son of Man, and then all the tribes of the earth will mourn, and they will see the Son of Man coming on the clouds of heaven with power and great glory. (Matthew 24:30 ESV)
And Jesus said, "I am, and you will see the Son of Man seated at the right hand of Power, and coming with the clouds of heaven." (Mark 14:62 ESV)
For the Son of Man is going to come with his angels in the glory of his Father, and then he will repay each person according to what he has done. (Matthew 16:27 ESV)
And then they will see the Son of Man coming in clouds with great power and glory. (Mark 13:26 ESV)
And then they will see the Son of Man coming in a cloud with power and great glory. (Luke 21:27 ESV)
"I saw in the night visions, and behold, with the clouds of heaven there came one like a son of man, and he came to the Ancient of Days and was presented before him. (Daniel 7:13 ESV)
"And I will pour out on the house of David and the inhabitants of Jerusalem a spirit of grace and pleas for mercy, so that, when they look on me, on him whom they have pierced, they shall mourn for him, as one mourns for an only child, and weep bitterly over him, as one weeps over a firstborn. (Zechariah 12:10 ESV)
It was also about these that Enoch, the seventh from Adam, prophesied, saying, "Behold, the Lord comes with ten thousands of his holy ones, to execute judgment on all and to convict all the ungodly of all their deeds of ungodliness that they have committed in such an ungodly way, and of all the harsh things that ungodly sinners have spoken against him." (Jude 1:14-15 ESV)