A powerful attraction exists, therefore, to the promotion of a study and of duties of all others engrossing the time most completely, and which is less benefited than most others by any acquaintance with science.
因此,对促进一项研究和对最完全占用时间的其他工作的职责的促进存在着一种强大的吸引力,而这比任何科学知识对其他工作的促进作用都要小。