And after the morsel Satan entered into him. Then said Jesus unto him,
What you do, do quickly.
All Commentaries on John 13:27 Go To John 13
Cyprian of Carthage
AD 258
Also in Job, first of all God permitted, and then it was allowed to the devil; and in the Gospel, the Lord first permitted, by saying to Judas, "What thou doest, do quickly."