John 13:12

When he had washed their feet, and had put on his upper garments and taken his place, he spoke to them again. "Do you understand what I have been doing to you?" he asked.

John 13:7

"You do not understand now what I am doing," replied Jesus, "but you will learn by and by."

Matthew 13:51

Have you understood all this?" Jesus asked. "Yes," they answered.

Mark 4:13

You do not know the meaning of this parable!" he went on; "Then how will you understand all the other parables?

John 13:4

Rose from his place, and, taking off his upper garments, tied a towel round 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
"You do not understand now what I am doing," replied Jesus, "but you will learn by and by."
Matthew 13:51
Have you understood all this?" Jesus asked. "Yes," they answered.
Mark 4:13
You do not know the meaning of this parable!" he went on; "Then how will you understand all the other parables?