Note: All the following were written nearly 2000 years ago...Matt 10:23: [Jesus said to his disciples] 'you will not have gone through all the towns of Israel, before the Son of man comes'.
Matt 16:28: [Jesus said to the disciples], 'Truly, I say to you, there are some standing here who will not taste death before they see the Son of man coming in his kingdom'.
Mark 9:1: And he [Jesus] said to them [the disciples], 'Truly, I say to you, there are some standing here who will not taste death before they see that the kingdom of God has come with power'.
Mark 13:30: [After detailing events up to end of world, Jesus says] 'Truly, I say to you, this generation will not pass away before all these things take place'.
Mark 14:62: And Jesus said [to the high priest - died 1st cent. CE] 'You will see the Son of man seated at the right hand of Power, and coming with the clouds of heaven'.
Rom 13:12: The day is at hand.
1 Cor 7:29: The appointed time has grown very short; from now on, let those who have wives live as though they had none.
1 Cor 7:31: For the form of this world is passing away.
Phil 4:5: The Lord is coming soon.
1 Thess 4:15: We who are alive, who are left until the coming of the Lord.
Hebrews 1:2: In these last days he has spoken to us by a Son.
Hebrews 10:37: For yet a little while, and the coming one shall come and shall not tarry.
James 5:8: The coming of the Lord is at hand.
1 Peter 1:20: He [Christ] was destined before the foundation of the world but was made manifest at the end of the times.
1 Peter 4:7: The end of all things is at hand.
1 John 2:18: It is the last hour; and as you have heard that antichrist is coming.
Rev 1:1: The revelation of Jesus Christ (i.e., regarding the end of the world)...to show to his servants what must soon take place.
Rev 3:11: [Jesus said] 'I am coming soon ...'
Rev 22:6: And the Lord...has sent his angel to show his servants what must soon take place.
Rev 22:20: [Jesus said] 'Surely I am coming soon'.