Fairy tales are more than true: not because they tell us that dragons exist, but because they tell us that dragons can be beaten.

你的利润空间就是我的机会。

生活是一场冒险，勇敢面对。

Money is a singular thing. It ranks with love as man's greatest source of joy. And with death as his greatest source of anxiety.

The mathematician's patterns, like the painter's or the poet's, must be beautiful; the ideas, like the colors or the words, must fit together in a harmonious way.