春生夏长，秋收冬藏

Explanation: Initiation of spring, summer grow, fall harvest, winter storage. Refers to the general process of agricultural production. Also compared the occurrence of things, the development process. 　　Source: "Records of Tai Shi Gong preface" husband Chunsheng summer long, moon moved, by this heaven is also great. Eph along that the world no discipline. "