Luke 11:29-30
And the multitudes being gathered thick together, he said, This is an evil generation: it seeketh a sign; but no sign shall be given it, save the sign of Jonah.
Luke 21:13
And it shall turn to you for a testimony.
John 13:19
Now I tell you before it is done, that, when it is done, ye may believe that I am he.
John 14:29
And now I have told you, before it come to pass, that when it is come to pass, ye may believe.
John 16:4
But I have told you these things, that when the time shall come, ye may remember I told you them. I did not tell you these things at the beginning, because I was with you.