Yoga Sūtra Chapter Two verse 11
ध्यान हेयाः तद्वृत्तयः ॥११॥
dhyāna-heyāḥ tat-vṛttayaḥ ||11||
These fluctuations are overcome by meditation.dhyāna - meditationheya - overcometat - that, thisvṛtti - fluctuation; modification; turned; set in motion, course of action, behaviour, movement; activity, function; profession
Commentaries and ReflectionsT Krishnamacharya:
When Kleśa are on the move, time should not be lost.
Reflection is a must.
Reduction of all the factors that increase Rajas and Tamas,
including right food, company, study and Niyama is a must.
Without them, reflection leading to a reduction of the power of Kleśa will not work.