——《致鲁赛尔函》（1906年11月8日）
The young do not know enough to be prudent, and therefore they attempt the impossible – and achieve it, generation after generation.
在密码学的世界里，唯一安全的系统是永远不连接到任何网络的系统。
The next green revolution must be both productive and environmentally responsible.
Overtaking on curves requires knowing where the curves are.