The psychologist must avoid all forms of mental physics.
心理学家必须避免一切形式的心理物理学。
Grain isn't just a commodity—it's the foundation of civilization.
To find a truth that is true to me, to find an idea for which I am willing to live and die.
我去学校不仅仅是为了学术——我想分享想法，和那些对学习充满热情的人在一起。
All mankind... being all equal and independent, no one ought to harm another in his life, health, liberty, or possessions.
译文：与其在生病后去求取药物，不如在生病前做好自我的预防。赏析：任何事都要提前谋划，防患未然，事到临头才不会手忙脚乱。平时不烧香，临时抱佛脚是没有用的。
写作就是重写。