真正的朋友是能看到你眼中痛苦的人，而其他人都只相信你脸上的笑容。
The way in which men produce their means of subsistence depends first of all on the nature of the actual means they find in existence and have to reproduce.
It is a truth universally acknowledged, that a single man in possession of a good fortune, must be in want of a wife.
最大的风险是不冒任何风险。在一个变化非常快的世界里，唯一保证失败的策略就是不冒险。
The beauty of science is that it allows us to explore the unknown and make discoveries that can change the world.