世界充滿了美與丑，而我們選擇看哪一種。
The world is full of beauty and ugliness, and it's up to us to choose which one we want to see.
The world is changed by your example, not by your opinion.
經(jīng)濟學(xué)家的理想角色是澄清社會面臨的替代方案，而不是為社會做出選擇。
永遠(yuǎn)保持好奇心，突破往往就在那里發(fā)生。
"Books are mirrors, but they are also windows."
沒有一個社會能夠真正繁榮和幸福，其中大多數(shù)成員都貧困和痛苦。