圆的周长大于任何内接等边多边形的周长，小于任何外切多边形的周长。

信仰是对上帝恩典的一种活生生的、大胆的信任，如此确定和肯定，以至于一个人可以一千次地赌上自己的生命。

The hardest choices often lie between short-term profit and long-term resilience—choose wisely.

The only thing of value is the thing you cannot buy.

Quality is more important than quantity. One home run is much better than two doubles.

只有错误才会回避探究，真理不会。

"The beauty of computational complexity lies in its ability to reveal the inherent difficulty of problems, regardless of the specific algorithms used to solve them."