The beauty of mathematics is that it allows us to explore the universe without ever leaving our chairs.

Liberty is the right to do what the law permits.

The greatest problem of any art is to create a presence.

每一天都是新的机会。

我不完美，但我始终是我自己。

Environmental stewardship is not optional - it's our responsibility to future generations.

如果生者不让死者安息，死者就不会安息。