Jivanmuktiviveka 2.12.67.p9

2.12.67.p9

evaṃ tarhyatpannavivekarakṣārthamindriyāṇi niroddhavyāni | tadapi tatraivottaraślokābhyāṃ darśitam- tāni sarvāṇi saṃyamya yukta āsīta matparaḥ |
vaśe hi yasyendriyāṇi tasya prajñā pratiṣṭhitā | - (tatraiva 2.61) ||

If so, then to protect the discrimination that has arisen, the senses must be restrained. That too is shown right there in the two subsequent verses:
"Restraining them all, being disciplined, he should sit intent on Me;
for he whose senses are under control, his wisdom is firmly established." — (in the same work, 2.61).