Behold, we go up to Jerusalem, &c. See notes on Matthew 22:17-19; Mark 10:32-34. They understood none of these things They could not but understand the literal meaning of what our Lord said. But as they could not reconcile this to their preconceived opinion of the Messiah's kingdom, they were utterly at a loss in what parabolical, or figurative sense to take what he said concerning his sufferings; having their thoughts still taken up with the temporal kingdom.
Related Commentaries of Luke 18:31
Luke 18:31-34
31 Then he took unto him the twelve, and said unto them,Behold, we go up to Jerusalem, and all things that are written by the prophets concerning the Son of man shall be accomplished.
32 For he shall be delivered unto the Gentiles, and shall be mocked, and spitefully entreated, and spitted on:
33 And they shall scourge him, and put him to death: and the third day he shall rise again.
34 And they understood none of these things: and this saying was hid from them, neither knew they the things which were spoken.