The camera is like a weapon; it's dangerous if you don't know how to use it.

宇宙也在我们体内，我们都是星尘构成的。我们是宇宙了解其自身的途径。

"With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one - but no one at all - can tell you what to read and when and how."

The concept of loss aversion explains why we often prefer avoiding losses over acquiring gains.