The past is a foreign country; they do things differently there.

The only limits in life are the ones you make.

The natural effort of every individual to better his own condition， when suffered to exert itself with freedom and security， is so powerful a principle that it is alone， and without any assistance， not only capable of carrying on the society to wealth and prosperity but of surmounting a hundred impertinent obstructions with which the folly of human laws too often encumbers its operations.

我们唯一需要害怕的就是害怕本身。

The seeds of tomorrow are planted in the research of today.

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