Bhagavad Gita 2.60
यततो ह्यपि कौन्तेय पुरुषस्य विपश्चितः।
इन्द्रियाणि प्रमाथीनि हरन्ति प्रसभं मनः।।2.60।।
Yatato hyapi kaunteya purushasya vipashchitah
Indriyani pramathini haranti prasabham manah
Simple meaning, written by AIEven then, O Arjuna, a wise man’s restless senses draw away his clear mind.