Verily I say unto you, Ye shall not have gone over the cities of Israel, till the Son of man be come. Matthew 10:23

Verily I say unto you, There be some standing here, which shall not taste of death, till they see the Son of man coming in his kingdom. Matthew 16:28, Mark 9:1, Luke 9:27

Verily I say unto you, This generation shall not pass, till all these things be fulfilled. Matthew 24:34, Mark 13:30, Luke 21:32
Behold, I come quickly. Revelation 3:11, 22:7, 22:11, 22:20