形式系统的发展彻底改变了我们对数学的理解。
Patience and precision are the unsung heroes of scientific progress.
Trust is like a mirror, you can fix it if it's broken, but you can still see the crack in that motherfucker's reflection.
When life seems hard, the courageous do not lie down and accept defeat; instead, they are all the more determined to struggle for better future.