Job 28:3
Man putteth an end to the darkness, and exploreth to the utmost limit, the stones of darkness and of the shadow of death.
Ecclesiastes 1:13
And I applied my heart to seek and search out by wisdom concerning all that is done under the heavens: this grievous occupation hath God given to the children of men to weary themselves therewith.
Job 10:21-22
Before I go, and never to return, to the land of darkness and the shadow of death;
Job 12:22
He discovereth deep things out of darkness, and bringeth out into light the shadow of death;
Job 38:16-17
Hast thou entered as far as the springs of the sea? and hast thou walked in the recesses of the deep?
Proverbs 2:4
if thou seekest her as silver and searchest for her as for hidden treasures:
Habakkuk 2:13
Behold, is it not of Jehovah of hosts that the peoples labour for the fire, and the nations weary themselves in vain?
Matthew 6:33
But seek ye first the kingdom of God and his righteousness, and all these things shall be added unto you.
Luke 16:8
And the lord praised the unrighteous steward because he had done prudently. For the sons of this world are, for their own generation, more prudent than the sons of light.