做一个良善的先人。做一些让未来世代感激你的事情。其中一件简单的事情就是去种一棵树。
The history of medicine is a history of perseverance and teamwork.
All the choir of heaven and furniture of earth - in a word, all those bodies which compose the frame of the world - have not any subsistence without a mind.
The more we learn about the universe, the more we realize how much we have yet to discover.
救灾建筑必须足够简单,让灾民能够自己建造。
The essence of mathematics lies in its freedom.