Gita : Ch-3. Slo-21.

Srimad Bhagavad-Gita: Chapter-2. ( Karma-yogam ) Slokam-21. ( Whatever action is performed by a great man, common men follow in his footsteps. And whatever standards he sets by exemplary acts, all the world pursues. ) Yadyadacarati sreshthah tattadevetaro janah, Sa yat pramanam kurute lokastadanuvartate. sreshthah yat yat acarati = spiritually higher and greater level person (Sreshtan), follows/ practices whatever things; itarah janah tat tat eva = others too follow and practice the same only; sah yat pramanam kurute = that person (Sreshtan) makes whichever document; lokah tat anuvarttate = the world too obey whatever Sreshtan does. The great personalities naturally set the example for the common man to follow in the manner in which they speak and in the way in which they act. This is Lord Krishna's meaning. How the performance o...