Arcana Coelestia #6961
6961. 'And he put his hand into his bosom' means the performance of this, that is to say, actually making truth their own. This is clear from what has been stated immediately above.
Arcana Coelestia #4133
4133. 'That you have stolen my heart' means that it no longer possessed Divine good as it had done previously. This is clear from the meaning of 'stealing the heart' as taking away that which is cherished and holy, dealt with above in 4112, and so means that through that separation it no longer possessed Divine good as it had done previously.