'Pay' in the Bible

Since they could not pay it back, he graciously forgave them both. So, which of them will love him more?”

But Zacchaeus stood there and said to the Lord, “Look, I’ll give half of my possessions to the poor, Lord! And if I have extorted anything from anyone, I’ll pay back four times as much!”

Is it lawful for us to pay taxes to Caesar or not?”