Here is the Sanskrit anuvad, Hindi anuvad, and English translation of Atma-Samyama Yoga Chapter 6, Verse 6.35.
Sanskrit
श्रीभगवानुवाच । असंशयं महाबाहो मनो दुर्निग्रहं चलम् अभ्यासेन तु कौन्तेय वैराग्येण च गृह्यते ॥ ६.३५…
Hindi
हे महाबाहो ! निःसन्देह मन चञ्चल और कठिनतासे वशमें होनेवाला है; परन्तु हे कुन्तीपुत्र अर्जुन ! यह अभ्यास और वैराग्यसे वशमें होता है|
English
Lord Krishna divinely replied: Dear Arjuna, undoubtedly, the mind, as you say, is difficult to control, yet with paractice, determination and detachment, it can be controlled.