Yoga Sutras of Patanjali · 2.14

ते ह्लादपरितापफलाः पुण्यापुण्यहेतुत्वात् ॥१४॥

te hlāda-paritāpa-phalāḥ puṇyāpuṇya-hetutvāt

These ripenings bear fruit as joy or anguish, depending on whether their cause was virtuous or unvirtuous.

— Yoga Sutras of Patanjali 2.14

Source: Sanskrit attributed to Patanjali (c. 2nd century BCE – 4th century CE). Public-domain English readings drawn from Swami Vivekananda's 'Raja Yoga' (1896) and Charles Johnston's 'The Yoga Sutras of Patanjali' (1912).