'This Generation' in the Bible

“To what should I compare this generation? It’s like children sitting in the marketplaces who call out to each other:

The men of Nineveh will stand up at the judgment with this generation and condemn it, because they repented at Jonah’s proclamation; and look—something greater than Jonah is here!

The queen of the south will rise up at the judgment with this generation and condemn it, because she came from the ends of the earth to hear the wisdom of Solomon; and look—something greater than Solomon is here!

I assure you: All these things will come on this generation!

I assure you: This generation will certainly not pass away until all these things take place.