Chapter 5 · verse 10 · gita.yoga.org

Bhagavad Gita 5.10

ब्रह्मण्याधाय कर्माणि सङ्गं त्यक्त्वा करोति यः। लिप्यते न स पापेन पद्मपत्रमिवाम्भसा

He who does actions, offering them to Brahman and abandoning attachment, is not tainted by sin, just as a lotus leaf is not tainted by water.