Verse
कायेन मनसा बुद्ध्या केवलैरिन्द्रियैरपि ।योगिनः कर्म कुर्वन्ति सङ्गं त्यक्त्वात्मशुद्धये ॥
Therefore the Yogins do works with the body, mind, understanding, or even merely with the organs of action, abandoning attachment, for self-purification.
Gītā 5·11