'Knowing' in the Bible

They were ridiculing him, knowing that she was dead.

It happened, as they were parting from him, that Peter said to Jesus, "Master, it is good for us to be here. Let's make three tents: one for you, and one for Moses, and one for Elijah," not knowing what he said.

But he, knowing their thoughts, said to them, "Every kingdom divided against itself is brought to desolation. A house divided against itself falls.