'Knowing' in the Bible

I know that whatever God does, it endures forever; nothing can be added to it nor can anything be taken from it, for God does it so that men will fear and worship Him [with awe-filled reverence, knowing that He is God].

For in a multitude of dreams and in a flood of words there is worthlessness. Rather [reverently] fear God [and worship Him with awe-filled respect, knowing who He is].

For what advantage has the wise person over the fool? What advantage does the poor man have in knowing how to face life?

then I considered all the work of God, that man is not able to find out the work that hath been done under the sun, because though man labour to seek, yet he doth not find; and even though the wise man speak of knowing he is not able to find.

When all has been heard, the end of the matter is: fear God [worship Him with awe-filled reverence, knowing that He is almighty God] and keep His commandments, for this applies to every person.