UtshovBhagavad Gita 3.21
यद्यदाचरति श्रेष्ठस्तत्तदेवेतरो जनः।
स यत्प्रमाणं कुरुते लोकस्तदनुवर्तते।।3.21।।
Yadyadacharati shreshthastattadevetaro janah
Sa yatpramanam kurute lokastadanuvartate
Simple meaning, written by AIWhatever the best person does, others follow the same; the world imitates his standard.