Proverbs 20:5

A plan in the heart of a man is like deep water,
But a man of understanding draws it out.

Psalm 64:6

They devise injustices, saying,
“We are ready with a well-conceived plot”;
For the inward thought and the heart of a man are deep.

Proverbs 18:4

The words of a man’s mouth are deep waters;
The fountain of wisdom is a bubbling brook.

1 Corinthians 2:11

For who among men knows the thoughts of a man except the spirit of the man which is in him? Even so the thoughts of God no one knows except the Spirit of God.

Treasury of Scripture Knowledge

Summary

Counsel in the heart of man is like deep water; but a man of understanding will draw it out.

Bible References

General references

Proverbs 18:4
The words of a man’s mouth are deep waters;
The fountain of wisdom is a bubbling brook.
Psalm 64:6
They devise injustices, saying,
“We are ready with a well-conceived plot”;
For the inward thought and the heart of a man are deep.
1 Corinthians 2:11
For who among men knows the thoughts of a man except the spirit of the man which is in him? Even so the thoughts of God no one knows except the Spirit of God.