Jivanmuktiviveka 2.12.67.p5

2.12.67.p5

nanvatra pauruṣaḥ prayatno nāma pūrvokto viṣayadoṣavivekaḥ | sa ca punaḥ punaḥ kriyamāṇo'pi prabalendriyavyavahāreṇābhibhūyate | taduktaṃ bhagavatā --yatato hyapi kaunteya puruṣasya vipaścitaḥ |
indriyāṇi pramāthīni haranti prasabhaṃ manaḥ ||

Now, here 'human effort' means the discrimination of the faults of sense-objects mentioned before. And that, even though practiced repeatedly, is overcome by the activity of the powerful sense faculties. That was declared by the Blessed Lord:
"Even of the striving person who is wise, O son of Kuntī,
the turbulent senses forcibly carry away the mind."