我不知道没有我的粉丝我会做什么。他们是我在这里的原因。
数学是一门活生生的学科,随着新思想的出现而不断发展。
Quality is remembered long after the price is forgotten.
A man is the sum of his misfortunes. One day you'd think misfortune would get tired but then time is your misfortune.