"Invariability" Quotes from Famous Books
 ... forms is altogether dependent on the invariability of the material conditions under which they live. Any variation therein, no matter how insignificant it might be, would be forthwith followed by a corresponding variation in the form. The present invariability of the world of organization is the direct consequence ...
— History of the Intellectual Development of Europe, Volume I (of 2) - Revised Edition • John William Draper
... hypothesis of a "metastasis" which Geoffroy makes, for it is the key to the understanding of many of the far-fetched homologies which he tries to establish. It is, of course, clear that this hypothesis is in formal contradiction with his principal hypothesis of the invariability of connections, and that he, so to speak, gets a hold on his fish to apply his principle of connections only by admitting at the very outset an exception to his primary principle. A further application of the hypothesis of metastasis will be noticed ...
— Form and Function - A Contribution to the History of Animal Morphology • E. S. (Edward Stuart) Russell
... created and absolutely unchangeable. Lyell's discoveries in geology, however, overthrew the argument of the earth's chronology and of the antiquity of man, and Darwin's theory of evolution entirely transformed the accepted beliefs concerning the origin of species and the supposed invariability of ...
— Dogs and All About Them • Robert Leighton |
