John 13:21
King James Version
“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.”
Context
18I 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.
19Now I tell you before it come, that, when it is come to pass, ye may believe that I am
20Verily, verily, I say unto you, He that receiveth whomsoever I send receiveth me; and he that receiveth me receiveth him that sent me.
21When 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.
22Then the disciples looked one on another, doubting of whom he spake.
23Now there was leaning on Jesus’ bosom one of his disciples, whom Jesus loved.
24Simon Peter therefore beckoned to him, that he should ask who it should be of whom he spake.