John 13:11

For he knew which one would betray him. For this reason, he said, "You are not all clean.

Other versions

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

For he knew who was to betray him; that was why he said, "Not all of you are clean."

For he knew who was going to betray him, and that was why he said not every one was clean.