John 13:12 in the King James Version
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?
Context
11 For he knew him who would betray him; therefore he said, “You are not all clean.”
12 So when he had washed their feet, put his outer garment back on, and sat down again, he said to them, “Do you know what I have done to you?
13 You call me, ‘Teacher’ and ‘Lord.’ You say so correctly, for so I am.