'Know' in the Bible

The governor told them that they should not eat of the most holy things [the priests’ food] until a priest stood up with Urim and Thummim [who by consulting these articles in his breastplate could determine God’s will in the matter].

That search may be made in the book of the records of thy fathers: so shalt thou find in the book of the records, and know that this city is a rebellious city, and hurtful unto kings and provinces, and that they have moved sedition within the same of old time: for which cause was this city destroyed.

And also their names we have asked of them, to let thee know, that we might write the names of the men who are at their head.

And thou, Ezra, after the wisdom of thy God, that is in thine hand, set magistrates and judges, which may judge all the people that are beyond the river, all such as know the laws of thy God; and teach ye them that know them not.