"You can't control everything, but you can control how you react to things."

The deterioration of every government begins with the decay of the principles on which it was founded.

我们知道，没有人夺取权力是为了放弃它。

程序测试可以用来显示错误的存在，但永远不能显示它们的缺失！

技术本身没有善恶，关键在于使用技术的人。

数学的本质在于它的自由。