一楼不给看，自己猜！！
Stay Hungry：Never be satisfied, never feel fulfilled, always feel thirsty, hungry for knowledge, success and another achievement. stay foolish：I Know what I know, I don't know what I don't Know; I know what I don't know, I don't know what I know; I know what I know what I know, I don't know what I know what I don't know....