Cross reference
Matthew 13:5
5 and others fell upon the rocky places, where they had not much earth: and straightway they sprang up, because they had no deepness of earth:
Ezekiel 11:19
19 And I will give them one heart, and I will put a new spirit within you; and I will take the stony heart out of their flesh, and will give them a heart of flesh;
Ezekiel 36:26
26 A new heart also will I give you, and a new spirit will I put within you; and I will take away the stony heart out of your flesh, and I will give you a heart of flesh.
Zechariah 7:12
12 Yea, they made their hearts as an adamant stone, lest they should hear the law, and the words which Jehovah of hosts had sent by his Spirit by the former prophets: therefore there came great wrath from Jehovah of hosts.
Matthew 13:20
20 And he that was sown upon the rocky places, this is he that heareth the word, and straightway with joy receiveth it;
Amos 6:12
12 Shall horses run upon the rock? will one plow `there' with oxen? that ye have turned justice into gall, and the fruit of righteousness into wormwood;