John 13:11

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

John 2:25

and needed not that any man should give testimony, for he knew what was in man.

Matthew 26:24-25

The Son of man goes as it is written of him, but woe unto that man by whom the Son of man is betrayed! It had been good for that man if he had not been born.

John 6:64-71

But there are some of you that do not believe. For Jesus knew from the beginning who they were that did not believe and who should betray him.

John 13:2

And supper being ended, the devil having now put into the heart of Judas Iscariot, Simon's son, to betray him,

John 13:18

I speak not of you all; I know whom I have chosen; but that the scripture may be fulfilled, He that eats bread with me has lifted up his heel against me,

John 13:21

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.

John 13:26

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

John 17:12

While I was with them in the world, I kept them in thy name; those that thou gavest me I have kept, and none of them is lost, but 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 that the scripture may be fulfilled, He that eats bread with me has lifted up his heel against me,
John 2:25
and needed not that any man should give testimony, for he knew what was in man.
John 6:64
But there are some of you that do not believe. For Jesus knew from the beginning who they were that did not believe and who should betray him.
John 17:12
While I was with them in the world, I kept them in thy name; those that thou gavest me I have kept, and none of them is lost, but the son of perdition, that the scripture might be fulfilled.
Matthew 26:24
The Son of man goes as it is written of him, but woe unto that man by whom the Son of man is betrayed! It had been good for that man if he had not been born.