The joy of mathematics lies in the journey of discovery, not just the destination.
数学的乐趣在于发现的旅程，而不仅仅是目的地。
Life would be too smooth if it had no rubs in it.
The only way to find yourself is to lose yourself in something greater.
Success is no accident. It is hard work, perseverance, learning, sacrifice, and most of all, love of what you are doing.
Every setback is a setup for a comeback.
Money is only a tool. It will take you wherever you wish, but it will not replace you as the driver.
Security is sleeping in the back seat of the car...When you're a little kid, and you've ben somewhere with your Mom and Dad, and it's night, and you're riding home in the car, you can sleep in the back seat...You don't have to worry about anything...Your Mom and Dad are in the front seat, and they do all the worrying...But it doesn't last! Suddenly, you're grown up, and it can never be that way again!