A good mathematician is not one who knows all the answers, but one who asks the right questions.
I read a book one day and my whole life was changed.
给予就是接受,爱就是被爱,生活就是让生活继续。
做出伟大工作的唯一方法就是热爱你所做的事。
I have held many things in my hands, and I have lost them all; but whatever I have placed in God's hands, that I still possess.