回忆，即使是最珍贵的回忆，凋零的速度惊人的快。但我不服，我最珍视的回忆，我从不见它凋零。

张大千对绘画题材难易程度的评价。

Science is not about control. It is about cultivating a perpetual condition of wonder in the face of something that forever grows one step richer and deeper than our latest theory about it.

我们飞得越高，我们在那些不能飞的人眼中的形象就越渺小。

One is not struck by the truth until prompted quite accidentally by some external event.

我不是商人。我是设计师和工程师。