'Know the Lord' in the Bible

But Pharaoh said, “Who is the Lord that I should obey His voice to let Israel go? I do not know the Lord, and besides, I will not let Israel go.”

All that generation also were gathered to their fathers; and there arose another generation after them who did not know the Lord, nor yet the work which He had done for Israel.

Now the sons of Eli were worthless men; they did not know the Lord

Now Samuel did not yet know the Lord, nor had the word of the Lord yet been revealed to him.

Thus the Lord will make Himself known to Egypt, and the Egyptians will know the Lord in that day. They will even worship with sacrifice and offering, and will make a vow to the Lord and perform it.

They will not teach again, each man his neighbor and each man his brother, saying, ‘Know the Lord,’ for they will all know Me, from the least of them to the greatest of them,” declares the Lord, “for I will forgive their iniquity, and their sin I will remember no more.”

And I will betroth you to Me in faithfulness.Then you will know the Lord.

Their deeds will not allow themTo return to their God.For a spirit of harlotry is within them,And they do not know the Lord.

“So let us know, let us press on to know the Lord.His going forth is as certain as the dawn;And He will come to us like the rain,Like the spring rain watering the earth.”

“And they shall not teach everyone his fellow citizen,And everyone his brother, saying, ‘Know the Lord,’For all will know Me,From the least to the greatest of them.