A good mathematician is not one who knows all the answers, but one who asks the right questions.
优秀的数学家不是知道所有答案的人,而是能提出正确问题的人。
If I fail, I try again, and again, and again. If YOU fail, are you going to try again? The human spirit can handle much worse than we realize. It matters HOW you are going to FINISH. Are you going to finish strong?