'Hearts' in the Bible

Wherefore also God did give them up, in the desires of their hearts, to uncleanness, to dishonour their bodies among themselves;

who do shew the work of the law written in their hearts, their conscience also witnessing with them, and between one another the thoughts accusing or else defending,

and the hope doth not make ashamed, because the love of God hath been poured forth in our hearts through the Holy Spirit that hath been given to us.

and He who is searching the hearts hath known what is the mind of the Spirit, because according to God he doth intercede for saints.

for such our Lord Jesus Christ do not serve, but their own belly; and through the good word and fair speech they deceive the hearts of the harmless,