John 13:12 in the World English Bible
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?
Context
11 For he knew who should betray him; therefore said he, Ye are not all clean.
12 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?
13 Ye call me Master and Lord: and ye say well; for so I am.