世界上发生的任何事情,其意义无非是某些极大或极小值。
Adaptability is the cornerstone of resilience in an ever-changing market.
Contemplating the weaknesses of others is easy; contemplating the weaknesses in yourself is hard, but it pays a much higher reward.
You don't need to change a single thing about yourself.
数学的美在于它如此简单却又如此强大。