Verse 21

हर्षामर्षभयक्रोधकामकार्पण्यदृष्टिभिः ।न परामृश्यते योऽन्तः स जीवन्मुक्त उच्यते

In plain words

He who within is untouched by the outlooks of joy, indignation, fear, anger, desire, and wretchedness -- he is called jīvanmukta.