我不是男孩，但还不是男人。
我们都是自己思想的囚徒，只有通过自我反思，我们才能获得自由。
The only way to understand painting is to look at it for a long time.
Never underestimate the power of a simple idea executed exceptionally well.
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.