It is in the stomach of plants that development begins, and ends in the circles of the universe. 'Tis a long scale from the gorilla to the gentleman,--from the gorilla to Plato, Newton, Shakespeare,--to the sanctities of religion, the refinements of legislation, the summit of science, art, and poetry. The beginnings are slow and infirm, but it is an always accelerated march.

Complete Works (ed. 1883)