发现可能性的唯一方法就是超越它们进入不可能。
数学不仅仅是关于数字、方程、计算或算法:它是关于理解的。
Fearless is not the absence of fear. It's not being completely unafraid. Fearless is having fears. Fearless is having doubts. Lots of them. Fearless is living in spite of those things, every day.
The nose of a mob is its imagination. By this, at any time, it can be quietly led.