'Heart' in the Bible

And Yahweh saw that the evil of humankind [was] great upon the earth, and every inclination of the thoughts of his heart [was] always only evil.

And Yahweh regretted that he had made humankind on the earth, and {he was grieved in his heart}.

And Yahweh smelled the soothing fragrance, and Yahweh said {to himself}, "{Never again will I curse} the ground for the sake of humankind, because the inclination of the heart of humankind [is] evil from his youth. {Nor will I ever again destroy} all life as I have done.

And Abraham fell upon his face and laughed. And he said in his heart, "{Can a child be born to a man a hundred years old}, or {can Sarah bear a child at ninety}?"

Did not he himself say to me, 'She [is] my sister'? And she herself said, 'He [is] my brother.' With integrity of my heart and with cleanness of my hands I did this."

Then God said to him in the dream, "Yes, I know that in the integrity of your heart you did this, and I also {kept you from sinning} against me. Therefore, I did not allow you to touch her.

Then Esau held a grudge against Jacob on account of the blessing with which his father had blessed him. And Esau said in his heart, "The days of mourning for my father are coming, then I will kill Jacob my brother."

And they spoke to him, saying, "Joseph [is] still alive, and he [is] ruler over all the land of Egypt." And his heart {went numb}, because he did not believe him.