When you get an invitation to do something in the future， ask yourself: would you accept this if it was scheduled for tomorrow？ Not too many promises will pass that immediacy filter.

如果反对派解除武装，一切都好。如果他们拒绝解除武装，我们将亲自解除他们的武装。

Cooperation is more important than competition, and ecosystems are more viable than going it alone.

保持饥饿，保持愚蠢，但也要保持年轻。

The arithmetic of modular forms is a window into the hidden structures of the universe.