每个侦探都背负着自己的黑暗。
What I claim is to live to the full the contradiction of my time, which may well make sarcasm the condition of truth.
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.