John 13:19 in the World English Bible
From now on, I tell you before it happens, that when it happens, you may believe that I am he.
Context
18 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.
19 Now I tell you before it come, that, when it is come to pass, ye may believe that I am he.
20 Verily, verily, I say unto you, He that receiveth whomsoever I send receiveth me; and he that receiveth me receiveth him that sent me.