Virtues are acquired through endeavor, which rests wholly upon yourself.

"In the end, we will remember not the words of our enemies, but the silence of our friends."

"La muerte no existe, la gente sólo muere cuando la olvidan; si puedes recordarme, siempre estaré contigo."

The quality of a country's institutions is the single most important determinant of its long-term economic performance.

老虎的尾巴不会长在狸猫身上，象牙也不会长在老鼠的口中。这句话是说小人是不会做出高尚的事情的。