stem-lines

Updated: July 21, 2026

For then we should only have to go back from the different points on the stem-lines of the prehistoric generators of these primitive men, at which men originated otherwise than by generation, in order to arrive finally at a common root of all these stem-lines: the members of mankind would even then remain consanguineous among one another, not only in an ideal, but in a real sense.

Rudolf Schmid - The Theories of Darwin and Their Relation to Philosophy, Religion, and Morality