John 1:48

Jesus saw Nathaniel coming to him, and said of him: Be hold, an Israelite in truth, in whom there is no guile.

John 2:25

and had no need that any one should testify of man, for he himself knew what was in man.

Matthew 6:6

But do you, when you pray, go into your closet, and when you have closed the door, pray to your Father who is in secret: and your Father who sees in secret will reward you openly.

1 Corinthians 4:5

So, then, judge nothing be fore the time, till the Lord comes, who will bring to light the secret works of darkness, and will also make manifest the counsels of the hearts: and then shall each have his praise from God.

1 Corinthians 14:25

and the secrets of his heart are made manifest; and so, falling down on his face, he will worship God, and report that God is really among you.

Revelation 2:18-19

And to the angel of the church in Thyatira, write: These things, says the Son of God, who has his eyes like a flame of fire, and his feet like fine brass;

Treasury of Scripture Knowledge

Summary

Nathanael saith unto him, Whence knowest thou me? Jesus answered and said unto him, Before that Philip called thee, when thou wast under the fig tree, I saw thee.

General references

Bible References

When

John 2:25
and had no need that any one should testify of man, for he himself knew what was in man.
Matthew 6:6
But do you, when you pray, go into your closet, and when you have closed the door, pray to your Father who is in secret: and your Father who sees in secret will reward you openly.
1 Corinthians 4:5
So, then, judge nothing be fore the time, till the Lord comes, who will bring to light the secret works of darkness, and will also make manifest the counsels of the hearts: and then shall each have his praise from God.
1 Corinthians 14:25
and the secrets of his heart are made manifest; and so, falling down on his face, he will worship God, and report that God is really among you.
Revelation 2:18
And to the angel of the church in Thyatira, write: These things, says the Son of God, who has his eyes like a flame of fire, and his feet like fine brass;

General references

John 7:17
If any one will do his will, he shall know with respect to the teaching, whether it is of God, or I speak of myself.