John 13:16 (KJV)

For he knew who should betray him; therefore said he, Ye are not all clean.

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?

Ye call me Master and Lord: and ye say well; for so I am.

If I then, your Lord and Master, have washed your feet; ye also ought to wash one another's feet.

For I have given you an example, that ye should do as I have done to you.

If ye know these things, happy are ye if ye do them.

I speak not of you all: I know whom I have chosen: but that the scripture may be fulfilled, He that eateth bread with me hath lifted up his heel against me.

Now I tell you before it come, that, when it is come to pass, ye may believe that I am he.

Verily, verily, I say unto you, He that receiveth whomsoever I send receiveth me; and he that receiveth me receiveth him that sent me.

When Jesus had thus said, he was troubled in spirit, and testified, and said, Verily, verily, I say unto you, that one of you shall betray me.