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Science is a wonderful thing if one does not have to earn one's living at it.
最困难的部分是放手,而不是参与。
The beauty of a mathematical idea is that it can be shared and understood across cultures and time.
If you don't take risks, you can't create a future.
在每个角色中,都有我的一部分,而在我身上,也有我扮演过的每个角色的一部分。