John 13:12

When therefore he washed their feet, and took his garments, having sat down again, he said to them, Do ye understand what I have done to you?

John 13:7

Jesus answered and said to him, What I do thou do not know now, but thou will understand after these things.

Ezekiel 24:19

And the people said to me, Will thou not tell us what these things are to us, that thou do so?

Ezekiel 24:24

Thus Ezekiel shall be to you a sign, according to all that he has done ye shall do. When this comes, then ye shall know that I am lord LORD.

Matthew 13:51

Jesus says to them, Have ye understood all these things? They say to him, Yes, Lord.

Mark 4:13

And he says to them, Do ye not know this parable? And how will ye understand all the parables?

John 13:4

rises from supper, and set his garments aside, and after 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 do thou do not know now, but thou will understand after these things.
Ezekiel 24:19
And the people said to me, Will thou not tell us what these things are to us, that thou do so?
Matthew 13:51
Jesus says to them, Have ye understood all these things? They say to him, Yes, Lord.
Mark 4:13
And he says to them, Do ye not know this parable? And how will ye understand all the parables?