saḥ — that; niścayena — with firm determination; yoktavyaḥ — must be practiced; yogaḥ — yoga system; anirviṇṇa-cetasā — without deviation; saṅkalpa — mental speculations; prabhavān — born of; kāmān — material desires; tyaktvā — giving up; sarvān — all; aśeṣataḥ — completely; manasā — by the mind; eva — certainly; indriya-grāmam — the full set of senses; viniyamya — regulating; samantataḥ — from all sides.