Yehudah the son of Teima would say: Be bold as a leopard, light as an eagle, fleeting as a deer and mighty as a lion to do the will of your Father in Heaven. He would also say: The brazen to purgatory; the bashful to paradise.

Ethics of the Fathers, 5:20


Use the shamelessness of the leopard to do what is right regardless of what others may think or say, but never acquire its audacity as a personal trait. Every negative thing has its positive use, but exercise great caution and reserve in applying this rule. The same Rabbi Yehudah who exhorts us to "be bold as a leopard" denounces him who, in acting brazenly, becomes brazen.