2 Samuel 1:5

And David saith unto the youth who is declaring it to him, 'How hast thou known that Saul and Jonathan his son are dead?'

Proverbs 14:15

The simple giveth credence to everything, And the prudent attendeth to his step.

Proverbs 25:2

The honour of God is to hide a thing, And the honour of kings to search out a matter.

Treasury of Scripture Knowledge

Summary

And David said unto the young man that told him, How knowest thou that Saul and Jonathan his son be dead?

Bible References

How knowest

Proverbs 14:15
The simple giveth credence to everything, And the prudent attendeth to his step.
Proverbs 25:2
The honour of God is to hide a thing, And the honour of kings to search out a matter.