Bhagavad-gītā 6.35
BG 6.35
Open the full passageश्रीभगवानुवाच । असंशयं महाबाहो मनो दुर्निग्रहं चलम् । अभ्यासेन तु कौन्तेय वैराग्येण च गृह्यते ॥३५॥
Sanskrit
śrī-bhagavān uvāca asaṁśayaṁ mahā-bāho mano durnigrahaṁ calam abhyāsena tu kaunteya vairāgyeṇa ca gṛhyate
Translation
Lord Śrī Kṛṣṇa said: O mighty-armed son of Kuntī, it is undoubtedly very difficult to curb the restless mind, but it is possible by suitable practice and by detachment.