No.420 知识、汗水、灵感和机遇。知识是基础，汗水是实践。灵感是思想火花，思想火花人人有，不要放弃它。机会总是青睐有准备的人。Knowledge, sweat, inspiration and chance. Knowledge is the foundation, sweat is practice. Everyone has inspiration that is a spark of thought. Don't give it up. Chance favors the prepared mind.——袁隆平
