Leadership is about making the tough decisions when they matter most.
密码学中的挑战不仅仅是创建不可破解的代码，还包括创建即使技术发展也能保持安全的系统。
Don't watch the clock; do what it does. Keep going.
And your friends will be properly astonished to see you laughing as you look up at the sky! Then you will say to them, "Yes, the stars always make me laugh!"
科学不是民主。它是独裁。它是证据的独裁。