The wise have laid down expiation for one guilty of Brahmanicide, or of drinking alcohol, or of stealing, or of neglecting all meritorious vows. There is no expiation, however, for one who is ungrateful.
ब्रह्मने च सुरापे च चौरे भग्नव्रते यथा। निष्कृतिर्विहिता सद्भिः कृतघ्ने नास्ति निष्कृतिः॥