Quality begins at the farm, and excellence is built through every step of the process.
Out, out, brief candle! Life's but a walking shadow, a poor player That struts and frets his hour upon the stage And then is heard no more. It is a tale Told by an idiot, full of sound and fury, Signifying nothing, 
做数学就是探索一个思想的宇宙,唯一的限制是你的想象力。
If you want to go fast, go alone. If you want to go far, go together.