Verse
योगस्थः कुरु कर्माणि संगं त्यक्त्वा धनंजय ।सिद्ध्यसिद्ध्योः समो भूत्वा समत्वं योग उच्यते ॥
Fixed in Yoga do thy actions, having abandoned attachment, having become equal in failure and success; for it is equality that is meant by Yoga.
Gītā 2·48