The dead have left us clues in their DNA.

"The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion."

Innovation is not about saying yes to everything. It’s about saying no to all but the most crucial features.

 当立法和行政权力集中在同一人或同一机构时，就不会有自由。

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。