'Diligently' in the Bible

Why haven't you pardoned my transgression and taken away my iniquity? Now I'm about to lie down in the dust. You will seek me diligently, but I won't be around!"

If thou wouldest seek diligently unto God, And make thy supplication to the Almighty;

Hear diligently my speech, and my declaration with your ears.

Hear diligently my speech, and let this be your consolations.

"Look! Like wild donkeys in the wilderness, they work diligently as they seek wild game in the desert, food for them and their young ones.

And it casteth at him, and doth not spare, From its hand he diligently fleeth.

I was a father to the needy; I diligently inquired into the case of those I didn't know.

Hearken diligently to the trembling of His voice, Yea, the sound from His mouth goeth forth.