Art is the highest form of hope.

文章是用来阐明道理的。如果不能阐明道理，即使写得精巧也没有益处。

Believe you can and you're halfway there.

最简单的姿态可以包含最复杂的意义。

Deep into that darkness peering, long I stood there wondering, fearing, doubting, dreaming dreams no mortal ever dared to dream before.

To understand the electron is to understand the foundation of our technological civilization.

In English every word can be verbed. Would that it were so in our programming languages.

在数学中，你不是理解事物，你只是习惯了它们。