John 13:12

When, therefore, he had washed their feet, and taken his clothes and sat down again, he said to them, Do you know what I have done to you?

John 13:7

Jesus answered and said to him, What I do you know not now, but you shall know hereafter.

Matthew 13:51

Have you understood all these thing? They said to him, Yes, Lord.

Mark 4:13

And he said to them, Do you not know this parable? How then will you know all parables?

John 13:4

arose from supper, and laid aside his clothes, and taking a towel 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 do you know not now, but you shall know hereafter.
Matthew 13:51
Have you understood all these thing? They said to him, Yes, Lord.
Mark 4:13
And he said to them, Do you not know this parable? How then will you know all parables?