物理理论的美不仅在于其数学的优雅，还在于其解释和预测现象的能力。

Certification is not the destination; it's the starting point of responsible forestry.

The key to success is to keep trying, even when things don't work out the first time.

自由确实珍贵；如此珍贵以至于必须谨慎配给。

进化是一个漫长的过程。

优化编译器很像核电站。它们都非常强大，也非常危险。