我认为生活中最重要的事情是对自己和他人都要诚实。
I think the most important thing in life is to be honest with yourself and with others.
The true challenge in mathematics is not solving problems, but asking the right questions.
译文：事情在得意时，要防止乐极生悲，说话高兴时，要防止言中有失。赏析：物极必反，当事物到达极点时就会朝着相反的方向发展。人生得意时，要低调做人，说话忘乎所以，就会招惹是非。