Matt 10:23 [to the disciples] “...truly, I say to you, you will not have gone through all the towns of Israel before the Son of Man comes.”
Matt 16:28 [to the disciples] “Truly, I say to you, there are some standing here who will not taste death until they see the Son of Man coming in his kingdom.” (Parallels at Mark 9:1 and Luke 9:27)
Matt 24:34 [to the disciples] “Truly, I say to you, this generation will not pass away until all these things take place.” (Parallels at Mark 13:30 and Luke 21:32)
Matt 26:64 [to Caiaphas the high priest and the Sanhedrin] “...you will see the Son of Man seated at the right hand of Power and coming on the clouds of heaven.” (Parallels at Mark 14:62 and Luke 22:69)
Rev 1:7 [John to the seven churches in Asia] “Behold, he is coming with the clouds, and every eye will see him, even those who pierced him…”
(English Standard Version)