在钢铁中，就像在生活中一样，韧性决定了你能走多远。

对心灵的研究必须价值中立。

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.

Rich bachelors should be heavily taxed. It is not fair that some men should be happier than others.