Bhagavad Gītā Chapter Four verse 41

yogasaṃnyastakarmāṇaṃ jñānasaṃchinnasaṃśayam |
ātmavantaṃ na karmāṇi nibadhnanti dhanaṃjaya ||

ātman - essence; the highest personal principle of life; the individual soul, selfjñāna - knowing; knowledge; higher knowledgekarman - act, action, performance; any religious act or ritesaṃśaya - doubtyoga - the act of yoking

Commentaries and Reflections

T Krishnamacharya:

Jñāna is like a sword to cut away Saṃśaya.