人は誰でも、孤独を感じるときがある。

过去从未消逝，它甚至还未成为过去。

蛋糕的好坏取决于你放入的食材。

We should not only pursue profits, but also the contribution to society.

The ideas of economists and political philosophers， both when they are right and when they are wrong， are more powerful than is commonly understood. Indeed the world is ruled by little else. Practical men， who believe themselves to be quite exempt from any intellectual influence， are usually the slaves of some defunct economist.