当实验证明最吸引人的想法是错误时，你必须准备好放弃它们。
The most important political virtue is moderation.
The fear of death follows from the fear of life. A man who lives fully is prepared to die at any time.
The more we love our friends， the less we flatter them； it is by excusing nothing that pure love shows itself.
"Memory is the only paradise from which we cannot be expelled."