्रियार्थेषु न कर्मस्वनुषज्जते ।

na karmasv anusajjate

sarva-sankalpa-sannyasi

yogarudhas tadocyate

yadā—when; hi—certainly; na—not; indriya-artheṣu—in sense gratification; na—never; karmasu—in fruitive activities; anuṣajjate—does necessarily engage; sarva-saṅkalpa—all material desires; sannyāsī—renouncer; yoga-ārūḍhaḥ—elevated in yoga; tadā—at that time; ucyate—is said to be.

A person is said to have attained to yoga when, having renounced all material desires, he neither acts for sense gratification nor engages in fruitive activities.

natmanam avasadayet

atmaiva hy atmano bandhur

atmaiva ripur atmanah

uddharet—one must deliver; ātmanā—by the mind; ātmānam—the conditioned soul; na—never; ātmānam—the conditioned soul; avasādayet—put into degradation; ātmā—mind; eva—certainly; hi—indeed; ātmanaḥ—of the conditioned soul; bandhuḥ—friend; ātmā—mind; eva—certainly; ripuḥ—enemy; ātmanaḥ—of the conditioned soul.

A man must elevate himself by his own mind, not degrade himself. The mind is the friend of the conditioned soul, and his enemy as well.