浪费是设计缺陷，而非水产养殖的必然。

Quantum cryptography doesn't rely on the difficulty of mathematical problems, but on the fundamental laws of physics.

一个人独处要超脱，与别人共处要和蔼；没有事时享受闲适；有了事情要果断；得意时要显出淡泊，失意时要安然处之。

We are not afraid to take risks, but we do so intelligently.

Two roads diverged in a wood, and I—I took the one less traveled by, And that has made all the difference.