He's talking about Hebrews 12:16-17, which is talking about repentance with his earthly father, Isaac.
KJV
Heb 12:16 Lest there be any fornicator, or profane person, as Esau, who for one morsel of meat sold his birthright.
Heb 12:17 For ye know how that afterward, when he would have inherited the blessing, he was rejected: for he found no place of repentance, though he sought it carefully with tears.
ESV
Heb 12:16 that no one is sexually immoral or unholy like Esau, who sold his birthright for a single meal.
Heb 12:17 For you know that afterward, when he desired to inherit the blessing, he was rejected, for he found no chance to repent, though he sought it with tears.
ASV
Heb 12:16 lest there be any fornicator, or profane person, as Esau, who for one mess of meat sold his own birthright.
Heb 12:17 For ye know that even when he afterward desired to inherit the blessing, he was rejected; for he found no place for a change of mind in his father, though he sought is diligently with tears.