进步的艺术是在变化中保持秩序，在秩序中保持变化。
The art of progress is to preserve order amid change and to preserve change amid order.
人生就是一连串的选择。
Happiness is not something that happens. It is not the result of good fortune or random chance. It is not something that money can buy or power command. It depends not on what happens outside of you, but on what happens inside of you.
The charm of study consists chiefly in the satisfaction which the mind experiences in acquiring knowledge.
The truth is not always beautiful, nor beautiful words the truth.
所有好书都有一个共同点——它们比真实发生的事更真实。
"The unexamined life is not worth living."