The great powers are always searching for opportunities to gain power at the expense of their rivals, and they will use force if they believe it will bring them strategic advantage.

不要问我是谁，也不要要求我保持不变。

人们还往往把真理和错误混在一起去教人，而坚持的却是错误。

The opening up of new markets, foreign or domestic, and the organizational development from the craft shop and factory to such concerns as U.S. Steel illustrate the same process of industrial mutation—if I may use that biological term—that incessantly revolutionizes the economic structure from within, incessantly destroying the old one, incessantly creating a new one.

解释：犯了错误能够改正的人，是百姓中的上等人。

大自然造就了人们在身体和心智的才能上如此相等，以至于尽管有时候可能会有一个人明显在身体上更强壮，或者在思维上更敏捷，但总结一切，人与人之间的差异并不是如此重大，以至于一个人可以因此而主张自己有权享受任何另一个人也可以同样主张的权益。

Life is 10% what happens to you and 90% how you react to it.

历史不会重演，但总会惊人地相似。”