The natural and moral world is the two-fold object of man's rational care.

我一直知道我会变得富有。我想我从来没有怀疑过这一点。

The best way to predict the future is to invent it.

The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.

我对任何人的赞美或责备都不在意，我只是跟随自己的感觉。

我认为，人生中最快乐的时刻是出发前往未知的土地。

蒸汽机是改善人类状况的最有力工具。