Sbg 3.21 ecsiva
English Commentary By Swami Sivananda 3.21 यद्यत् whatsoever, आचरति does, श्रेष्ठः the best, तत्तत् that, एव only, इतरः the other, जनः people, सः he (that great man), यत् what, प्रमाणम् standard (authority, demonstration), कुरुते does, लोकः the world (people), तत् that, अनुवर्तते follows.