穷人的时间总被廉价出售,却永远买不到时间。
数学的真正乐趣在于发现的过程,而不仅仅是结果。
Every day is a new opportunity to change your life.
"Understanding the limits of computation is as important as understanding the limits of mathematics."
当没有人相信你的时候,你必须相信自己
历史不仅仅是关于过去;它是关于过去如何塑造未来。
Sometimes the things that are most real are the things you can't see.