John 13:11

For He knew who would betray Him; therefore He said, Ye are not all clean.

John 2:25

for He knew all men, and He had no need that any should testify concerning man; for He knew what was in man.

Matthew 26:24-25

The Son of man is going indeed as it is written concerning Him: but wo to that man by whom the Son of man is betrayed; it had been good for him, if that man had never been born.

John 6:64-71

But there are some of you that believe not: (for Jesus knew from the beginning, who they were that believed not, and who would betray Him:

John 13:2

supper being prepared, (the devil having put it into the heart of Judas Iscariot, the son of Simon, to betray Him) Jesus,

John 13:18

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

John 13:21

Jesus having said these things was troubled in spirit, and He openly testified and said, Verily, verily I tell you, that one of you will betray me.

John 13:26

Jesus answered, It is he to whom I shall give a sop, when I have dipped it: and He dipped in a sop and gave it to Judas the Iscariot the son of Simon.

John 17:12

While I was with them in the world, I kept them in thy name; I have preserved those whom Thou gavest me, and none of them is lost; except the son of perdition, that the scripture might be fulfilled.

Treasury of Scripture Knowledge

Summary

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

Bible References

General references

John 13:18
I speak not of you all; I know whom I have chosen: but have done it that the scripture may be fulfilled, He that eateth bread with me, hath lift up his heel against me.
John 2:25
for He knew all men, and He had no need that any should testify concerning man; for He knew what was in man.
John 6:64
But there are some of you that believe not: (for Jesus knew from the beginning, who they were that believed not, and who would betray Him:
John 17:12
While I was with them in the world, I kept them in thy name; I have preserved those whom Thou gavest me, and none of them is lost; except the son of perdition, that the scripture might be fulfilled.
Matthew 26:24
The Son of man is going indeed as it is written concerning Him: but wo to that man by whom the Son of man is betrayed; it had been good for him, if that man had never been born.