Verse
सहजं कर्म कौन्तेय सदोषमपि न त्यजेत् ।सर्वारम्भा हि दोषेण धूमेनाग्निरिवावृताः ॥
The inborn work, O son of Kunti, though defective, ought not to be abandoned. All actions (in the three Gunas) indeed are clouded by defects as fire by smoke.
Gītā 18·48