The key to success is to keep trying, even when things don't work out the first time.
成功的关键是不断尝试，即使第一次没有成功。
数学是一种超越文化和语言障碍的通用语言。
Over the piano was printed a notice: Please do not shoot the pianist. He is doing his best.
The most important thing for you to do is to find a few people who are really talented and who you can work with and trust.
实现明天理想的唯一障碍是今天的疑虑。
"The world is full of obvious things which nobody by any chance ever observes."