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.
There are no eternal facts， as there are no absolute truths.
真正的领导力是赋予他人实现全部潜力的能力。
Sleep is good, death is better; but of course, the best thing would to have never been born at all.