生活其实很简单，但我们坚持把它复杂化。
Life is really simple, but we insist on making it complicated.
数学的本质在于它的自由。
做出伟大工作的唯一方法就是热爱你所做的事情。
In one minute you can change your attitude and in that minute you can change your entire day.
A man can be happy with any woman as long as he does not love her.