Bhagavad Gita 18.48

सहजं कर्म कौन्तेय सदोषमपि न त्यजेत् |
सर्वारंभ हि दोषेन धूमेनाग्निरिवावृता:

Translation

One should not abandon duties born of one’s nature, even if one sees defects in them, O son of Kunti. Indeed, all endeavors are veiled by some evil, as fire is by smoke.