The harder you work for something, the greater you’ll feel when you achieve it.
It is one thing to show a man that he is in an error, and another to put him in possession of truth.
向一个人展示他在错误中是一回事，让他掌握真理是另一回事。
"Books are the mirrors that reflect our souls."
译文：人情世故就像流水一样有高下之别，世事就像白云一样卷起展开，变化无常。赏析：我们在社会上立足，总会遇到这样或那样的糟心事和烦心人，但和生命健康比起来，这些不算什么。世事无常，人情淡薄，我们顺其自然即可。
创新不仅仅是创造新事物；它关乎改进已有的事物。
You may not realize it when it happens, but a kick in the teeth may be the best thing in the world for you.
统计学领域研究的是如何在不确定性面前做出决策。