Jamadagni said That man whose heart is not pure is sure to go to Hell even if he worships the celestials in a Horse sacrifice or in hundred Vajapeya Sacrifices, or if he practises the severes austerities with head down most. Purity of heart is considered as equal to Sacrifices and Truth.
जमदग्निरुवाच यो यजेदश्वमेधेन वाजपेयशतेन ह। अवाशिरा वा लम्बेत सत्रं वा स्फीतमाहरेत्॥ न यस्य हृदयं शुद्धं नरकं स ध्रुवं व्रजेत्। तुल्यं यज्ञश्च सत्यं च हृदयस्य च शुद्धता॥