yad yac chīrṣaṇyācaritaṁ tat tad anuvartate lokaḥ.

yad yac chirsanyacaritam tat tad anuvartate lokah.
yat yat-whatever; sirsanya-by the leading personalities; acaritam-performed; tat tat-that; anuvartate-follow; lokah-the people in general.