置信区间理论提供了一种不同于点估计和假设检验的估计未知参数的方法。

我在数学上花的时间越多，我就越兴奋。

Don't watch the clock; do what it does. Keep going.

Excellence is not an act, but a habit.

技术是手段，体验才是目的。

The world is what it is; men who are nothing, who allow themselves to become nothing, have no place in it.

You can't let fear stop you from living your life.