'Knowing' in the Bible

The Lord will return his bloody deeds upon his own head, because he struck down two men more righteous and honorable than he and killed them with the sword, without my father David knowing: Abner the son of Ner, commander of the army of Israel, and Amasa the son of Jether, commander of the army of Judah.

whatever prayer or pleading is made by any individual, or by Your people Israel, each knowing the affliction of his own heart, and spreading his hands out toward this house;