摘取知识硕果的梯子彭美仙（中国科学院云南天文台昆明６５００１１）人生有限，而事业的道路却无限向前延伸，没有尽头。《图书情报工作》（以下简称《工作》）自创刊以来，已经历了４０个春秋。４０年来，它牢记自己的历史责任，以改革为动力，集中全院乃至全国同仁的智... Picking up the ladder of knowledge and achievements Peng Meixian (Yunnan Astronomical Observatory, Chinese Academy of Sciences, Kunming 650011) Life is limited, but the cause of the road is infinitely extended forward without any end. Library and Information Service (hereinafter referred to as “work”) since its inception, has gone through 40 Spring and Autumn. For 40 years, it has kept its historical responsibility in mind, guided by reform, and concentrated the wisdom of its entire hospital and even its fellow Chinese colleagues.