The market is always changing, the only constant is change itself.
Every problem in mathematics is an opportunity to learn something new.
"Doubt is useful for a while. We must all pass through the garden of Gethsemane. If Christ played with doubt, so must we."
生命太短,不能长时间记恨。
希望不是一种感觉,而是一种可行的、戏剧性的行动。