The greatest sweetener of human life is Friendship. To raise this to the highest pitch of enjoyment, is a secret which but few discover.
在这种人人对人人的战争中，还有一种后果；没有什么可以不公正。对于权利和错误、正义和不正义的概念在那里无所适从。没有共同的权力，就没有法律；没有法律，就没有不公正。
The beauty of instrumental variables is that they allow us to see the world in a new light.
The only real voyage of discovery consists not in seeking new landscapes, but in having new eyes.
The best leaders don't create followers, they create more leaders.