求知若饥，虚心若愚。
Stay hungry, stay foolish.
Man is so naturally good that when he does evil it is against his will.
最好的模型是能够解释数据的最简单模型。
Action and knowledge are not obstacles to each other.
Every piece of plastic we produce should have a clear path to being reused or recycled.
尝试过，失败过。没关系，再尝试。再失败，失败也是一种进步！