There is a grandeur in this view of life, with its several powers, having been originally breathed by the Creator into a few forms or into one; and that, whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been, and are being evolved.
In: Great Books of the Western World (Volume 49), The Origin of Species by Means of Natural Selection, Chapter XV (p. 243)