Bhagavad-gītā 6.24
BG 6.24
Open the full passageस निश्चयेन योक्तव्यो योगोऽनिर्विण्णचेतसा । सङ्कल्पप्रभवान्कामांस्त्यक्त्वा सर्वानशेषतः । मनसैवेन्द्रियग्रामं विनियम्य समन्ततः ॥२४॥
Sanskrit
sa niścayena yoktavyo yogo 'nirviṇṇa-cetasā saṅkalpa-prabhavān kāmāṁs tyaktvā sarvān aśeṣataḥ manasaivendriya-grāmaṁ viniyamya samantataḥ
Translation
One should engage oneself in the practice of yoga with determination and faith and not be deviated from the path. One should abandon, without exception, all material desires born of mental speculation and thus control all the senses on all sides by the mind.