'Knowing' in the Bible

If he is uprooted from his place,it will deny knowing him, saying, “I never saw you.”

Wherefore from the Mighty One Times have not been hidden, And those knowing Him have not seen His days.

Hear, O wise men, my words, And, O knowing ones, give ear to me.

When he began speaking, he communicated only worthlessness; he added words upon words without knowing anything."

"Who is this who keeps darkening my counsel without knowing what he's talking about?