John 13:12

Therefore, when he had washed their feet, and had taken his garments, he reclined at table again, and said to them: Do you understand what I have done for you?

John 13:7

Jesus answered and said to him: What I am doing you know not now, but you will know here after.

Matthew 13:51

Jesus said to them: Have you understood all these things? They said to him: Yes, Lord.

Mark 4:13

And he said to them: Do you not understand this parable? And how then will you understand all parables?

John 13:4

arose from supper, and laid aside his garments, and taking a towel, he girded himself.

Treasury of Scripture Knowledge

Summary

So after he had washed their feet, and had taken his garments, and was set down again, he said unto them, Know ye what I have done to you?

Bible References

Know

John 13:7
Jesus answered and said to him: What I am doing you know not now, but you will know here after.
Matthew 13:51
Jesus said to them: Have you understood all these things? They said to him: Yes, Lord.
Mark 4:13
And he said to them: Do you not understand this parable? And how then will you understand all parables?