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赌上自己的生命。
Faith is a living, daring confidence in God's grace, so sure and certain that a man could stake his life on it a thousand times.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。