I'm not a god, I'm a human being. I'm just like you.
In mathematics, the simplest questions often lead to the most profound discoveries.
"Sometimes we get sad about things and we don’t like to tell other people that we are sad about them."
上网应该是一种权利,而不是特权。
政策与运动的区别在于政策由其结果来判定,而运动则由它能让参加者感觉良好的程度来判定。