追随你的心，用它引领你的一生，任何其他事情都是次要的。
We stand at the threshold of a new era in biology.
The reason why men enter into society is the preservation of their property.
艺术不是手工艺，而是艺术家所体验的情感的传递。
The ideas of economists and political philosophers， both when they are right and when they are wrong， are more powerful than is commonly understood. Indeed the world is ruled by little else. Practical men， who believe themselves to be quite exempt from any intellectual influence， are usually the slaves of some defunct economist.