一个不以其历史为荣的国家永远无法创造历史。

The writer must be a perpetual beginner, always doubting, always searching.

"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."

NP完全性的概念为理解计算问题的复杂性提供了一个强大的工具。

农业的未来取决于创新和可持续发展的携手并进。

我不想成为环境的产物。我希望我的环境成为我的产物。