'Know' in the Bible

and dost know the will, and dost approve the distinctions, being instructed out of the law,

And a way of peace they did not know.

What, then, shall we say? the law is sin? let it not be! but the sin I did not know except through law, for also the covetousness I had not known if the law had not said:

But I say, Did not Israel know? first Moses saith, 'I will provoke you to jealousy by that which is not a nation; by an unintelligent nation I will anger you,'

for who did know the mind of the Lord? or who did become His counsellor?