Bhishma said They who arc endued with knowledge say that everything springs from penance. That foolish person who has not practised penances does not get the rewards of even his own acts.
भीष्म उवाच सर्वमेतत् तपोमूलं कवयः परिचक्षते। न ह्यतप्ततपा मूढः क्रियाफलमवाप्नुते॥