The theory of economic development is the study of how the economic system generates the forces which incessantly transform it.

我不是说唱歌手，我是一个觉悟的传奇。

The invention of the cotton gin was the result of necessity and observation.

我无所畏惧地追求让我灵魂燃烧的东西。

I don't like to gamble, but if there's one thing I'm willing to bet on, it's myself.

I’m not a guy that’s going to let my love for the present down.