历史不会长期将自由的维护托付给软弱或胆怯的人。

If memories had a smell, it would be the fragrance of camphor, sweet and secure, like clearly remembered happiness, sweet and melancholy, like forgotten sorrow.

计算机科学的挑战不仅在于创造新技术，还在于确保它们被道德和负责任地使用。

The only truly secure system is one that is powered off, cast in a block of concrete and sealed in a lead-lined room with armed guards - and even then I have my doubts.