王知夫苗乎?七八月之间旱,则苗槁矣。天油然作云,沛然下雨,则苗浡然兴之矣。其如是,孰能御之?
——《孟子·梁惠王上》 t0Z7GDWrIwdTNdiIpzGLOYChE91+wmwbztZp0squ3FFB8NP3olQLuW4hsbhW0vCp