Goldfarb, who repeated these experiments, states that an exposure of comparatively short duration is sufficient for this effect, it is possible that the light favours the formation of substances which are a prerequisite for the origin of polyps and their growth.英文原著 · 《Darwin and Modern Science》
For example, the public library ought not to furnish young persons with a means of avoiding parental supervision of their reading. A regulation making the written consent of the parent a prerequisite to the registration of the name of a minor, and the continuance of such consent a condition of the continuance of the privilege, will take from parents all cause for complaint in this regard.英文原著 · 《Library Work with Children》
In his private notes on the subject the author uses the expression "Superman" (always in the singular, by-the-bye), as signifying "the most thoroughly well-constituted type," as opposed to "modern man"; above all, however, he designates Zarathustra himself as an example of the Superman. In "Ecco Homo" he is careful to enlighten us concerning the precursors and prerequisites to the advent of this highest type, in referring to a certain passage in the "Gay Science":--英文原著 · 《Thus Spake Zarathustra》