'Heart' in the Bible

With joy they celebrated the festival of unleavened bread [for] seven days, because Yahweh had made them joyful and had turned the heart of the king of Assyria toward them in order to help them with the work of their hands on the house of the God of Israel.

For Ezra had set his heart to seek the law of Yahweh, to do [it], and to teach the regulations and judgments in Israel.

Blessed be Yahweh the God of our ancestors, who put this in the heart of the king to glorify the house of Yahweh in Jerusalem