任何一代人最伟大的发现是，一个人可以通过改变态度来改变他的生活。
The greatest discovery of any generation is that a human being can alter his life by altering his attitude.
Legal rules are not merely commands backed by threats; they are also rules that confer powers and create obligations.
我不是一个会回头看并想着“我希望我当时做得不同”的人。
统计学家不能推卸理清科学推断原理的责任，同样，任何其他思考者也不能避免类似的义务。
快乐的最好方法是善良。
Every setback is a setup for a comeback.
