Don't go around saying the world owes you a living. The world owes you nothing. It was here first.

应对生活的唯一方法是接受它的本来面目。

The art of progress is to preserve order amid change and to preserve change amid order.

在这两种情况中，肉体都占主导地位，而且极其敏感，心灵则成了无言的器官，漠不相关的判断。

PID控制器的本质在于它能够根据系统的过去和现在状态预测其未来行为。

The world is a place of suffering, and the only way to escape it is through love.

I remember my friend Johnny von Neumann used to say, 'with four parameters I can fit an elephant, and with five I can make him wiggle his trunk.'

"The only thing necessary for the triumph of evil is for good men to do nothing."

我从不回头看。我期待下一个挑战。

In a rapidly changing market, the only constant is customer needs.