写作是一种自由的行为，一种逃避强加给我们的枷锁的方式。

Virtue! a fig! 'tis in ourselves that we are thus or thus. Our bodies are our gardens, to the which our wills are gardeners.

The language of mathematics is universal; it transcends all cultural barriers.

孔子说：“不怕没人了解自己，就怕自己不了解别人。”