做你自己，其他角色都已经有人扮演了。

The ultimate goal of fiction is to create a world that is more real than reality itself.

The laws of physics are the same in every corner of the universe, a testament to the unity and coherence of the cosmos.

现代密码学的挑战不仅在于保护信息，而且在于以一种既高效又可扩展的方式来实现。