要这样行动，使得你意志的准则任何时候都能同时被看作一个普遍立法的原则。

The light constantly changes, and that alters the atmosphere and beauty of things every minute.

"To me, fearless is not the absence of fear. It's not being completely unafraid. To me, fearless is having fears. Fearless is having doubts. Lots of them. To me, fearless is living in spite of those things that scare you to death."

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.

Innovation isn't about reinventing the wheel; it's about making the wheel better, stronger, and more efficient.

每一个词都是通向理解的一步，每一句话都是通向另一个灵魂的桥梁。