Mathematics is the key to understanding the universe.

The law of nature is the fundamental wisdom.

I would like to fly in space.Absolutely.That would be cool.I used to just do personally risky things， but now I’ve got kids and responsibilities， so I can’t be my own test pilot.That wouldn’t be a good idea.But I definitely want to fly as soon as it’s a sensible thing to do.

The writer is delegated to declare and to celebrate man's proven capacity for greatness of heart and spirit—for gallantry in defeat, for courage, compassion and love. In the endless war against weakness and despair, these are the bright rally flags of hope and of emulation.

债券市场是市场预期的最终晴雨表。

无论生活中发生什么，都要善待他人。善待他人是留下的美好遗产。