John 13:12

So when He had washed their feet and put on His [outer] robe and reclined at the table again, He said to them, “Do you understand what I have done for you?

John 13:7

Jesus replied to him, “You do not realize now what I am doing, but you will [fully] understand it later.”

Ezekiel 24:19

The people said to me, “These things that you are doing—tell us, what do they mean for us?”

Ezekiel 24:24

So Ezekiel will be a sign to you; in accordance with all that he has done you will do. And when this [destruction of the temple] comes, then you will know [without any doubt] that I am the Lord God.’”

Matthew 13:51

“Have you understood all these things [in the lessons of the parables]?” They said to Jesus, “Yes.”

Mark 4:13

Then He said to them, “Do you not understand this parable? How will you understand and grasp the meaning of all the parables?

John 13:4

got up from supper, took off His [outer] robe, and taking a [servant’s] towel, He tied it around His waist.

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 replied to him, “You do not realize now what I am doing, but you will [fully] understand it later.”
Ezekiel 24:19
The people said to me, “These things that you are doing—tell us, what do they mean for us?”
Matthew 13:51
“Have you understood all these things [in the lessons of the parables]?” They said to Jesus, “Yes.”
Mark 4:13
Then He said to them, “Do you not understand this parable? How will you understand and grasp the meaning of all the parables?