Verse
श्रेयान्स्वधर्मो विगुणः परधर्मात्स्वनुष्ठितात् ।स्वभावनियतं कर्म कुर्वन्नाप्नोति किल्बिषम् ॥
Better is one’s own law of works, though in itself faulty, than an alien law well wrought out. One does not incur sin when one acts in agreement with the law of one’s own nature.
Gītā 18·47