And he told them a parable: “Look at the fig tree, and all the trees; as soon as they come out in leaf, you see for yourselves and know that the summer is already near. So also, when you see these things taking place, you know that the kingdom of God is near. Truly, I say to you, this generation will not pass away till all has taken place. Heaven and earth will pass away, but my words will not pass away.
“But take heed to yourselves lest your hearts be weighed down with dissipation and drunkenness and cares of this life, and that day come upon you suddenly like a snare; for it will come upon all who dwell upon the face of the whole earth. But watch at all times, praying that you may have strength to escape all these things that will take place, and to stand before the Son of man.”
–Luke 21:29-36