11For he knew who should betray him; therefore said he, Ye are not all clean. 12So 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? 13Ye call me Master and Lord: and ye say well; for so I am. 14If I then, your Lord and Master, have washed your feet; ye also ought to wash one another's feet.15For I have given you an example, that ye should do as I have done to you. 16Verily, verily, I say unto you, The servant is not greater than his lord; neither he that is sent greater than he that sent him. 17If ye know these things, happy are ye if ye do them.