'Diligent' in the Bible
And the judges shall make diligent inquisition: and, behold, if the witness be a false witness, and hath testified falsely against his brother;
But take diligent heed to do the commandment and the law, which Moses the servant of the LORD charged you, to love the LORD your God, and to walk in all his ways, and to keep his commandments, and to cleave unto him, and to serve him with all your heart and with all your soul.
They search out iniquities; they accomplish a diligent search: both the inward thought of every one of them, and the heart, is deep.
I call to remembrance my song in the night: I commune with mine own heart: and my spirit made diligent search.
He becometh poor that dealeth with a slack hand: but the hand of the diligent maketh rich.
The hand of the diligent shall bear rule: but the slothful shall be under tribute.
The slothful man roasteth not that which he took in hunting: but the substance of a diligent man is precious.
The soul of the sluggard desireth, and hath nothing: but the soul of the diligent shall be made fat.
The thoughts of the diligent tend only to plenteousness; but of every one that is hasty only to want.
Seest thou a man diligent in his business? he shall stand before kings; he shall not stand before mean men.
Be thou diligent to know the state of thy flocks, and look well to thy herds.