The only way to get to the top of the ladder is to climb it step by step.

我不相信贫穷，我相信创造机会。

Everyone thinks of changing the world, but no one thinks of changing himself.

Pleasures， then， and the avoidance of pains， are the ends that the legislator has in view.

History is that certainty produced at the point where the imperfections of memory meet the inadequacies of documentation.