John Bartlett (1820–1905). Familiar Quotations, 10th ed. 1919.
7643 Herbert Spener 1820-1903 John Bartlett
| NUMBER: | 7643 |
| AUTHOR: | Herbert Spencer (1820–1903) |
| QUOTATION: | If a single cell, under appropriate conditions, becomes a man in the space of a few years, there can surely be no difficulty in understanding how, under appropriate conditions, a cell may, in the course of untold millions of years, give origin to the human race. 1 |
| ATTRIBUTION: | Principles of Biology. |
| Note 1. Tennyson: Maud. As nine months go to the shaping an infant ripe for his birth, So many a million of ages have gone to the making of man. [back] |