Ezekiel 36:26

I will give you a new heart, and I will put a new spirit within you. I will remove the heart of stone ¹  from your body and give you a heart of flesh. ² 

De 30:6; Ps 51:10; Jer 32:39; Eze 11:19,20; Zec 7:12; Mt 13:5,20,21; Mr 4:16,17; Joh 3:3-5; 2Co 3:3; 2Co 3:18; 2Co 5:17; Ga 6:15; Eph 2:10; Re 21:5

¹ sn That is, a heart which symbolizes a will that is stubborn and unresponsive (see 1 Sam 25:37). In Rabbinic literature a “stone” was associated with an evil inclination (b. Sukkah 52a).

² sn That is, a heart which symbolizes a will that is responsive and obedient to God.