幸福就是珍惜那些自己觉得幸福的瞬间。
幸せとは、自分が幸せだと思える瞬間を大切にすることだ。
你必须花费一些精力和努力才能看到数学的美。
The true measure of a man is how he treats someone who can do him absolutely no good.
The worst pain a man can suffer is to have insight into much and power over nothing.
