'Heart' in the Bible

but, according as it hath been written, 'What eye did not see, and ear did not hear, and upon the heart of man came not up, what God did prepare for those loving Him -- '

And he who hath stood stedfast in the heart -- not having necessity -- and hath authority over his own will, and this he hath determined in his heart -- to keep his own virgin -- doth well;

and so the secrets of his heart become manifest, and so having fallen upon his face, he will bow before God, declaring that God really is among you.