The only limits you have are the ones you place on yourself.
你唯一的限制是你给自己设定的限制。
故事是作者写给自己的信,用来告诉自己那些无法以其他方式发现的事情。
The art of disputation is the art of making the worse appear the better reason.
理解计算的极限与理解数学的极限同样重要。