Mark 13:29-33

So you too, when you see these things happening, recognize that He is near, right at the door.

Truly I say to you, this generation will not pass away until all these things take place.

Heaven and earth will pass away, but My words will not pass away.

But about that day or hour no one knows, not even the angels in heaven, nor the Son, but the Father alone.

“Watch out, stay alert; for you do not know when the appointed time is.