'Understand' in the Bible

then you will understand the fear of the Lordand discover the knowledge of God.

Then you will understand righteousness, justice,and integrity—every good path.

A man’s steps are determined by the Lord,so how can anyone understand his own way?

Evil men do not understand justice,but those who seek the Lord understand everything.

The righteous person knows the rights of the poor,but the wicked one does not understand these concerns.

I am more stupid than any other man,and I lack man’s ability to understand.

Three things are beyond me;four I can’t understand: