我们必须考虑每一项技术进步对环境的影响。

谁能接受一无所得的工作？

The mathematician does not study pure mathematics because it is useful; he studies it because he delights in it and he delights in it because it is beautiful.

The greatest glory in living lies not in never falling, but in rising every time we fall.

我从来不知道我对某事的看法，直到我读到我写的东西。

Art is the most intense mode of individualism that the world has known.

时间存在的唯一理由是让一切不会同时发生。