Click on the phrases to see them in context. The original texts by Immanuel Kant and David Hume are available from the Gutenberg Projet.

Are the changes of our body from infancy to old age more regular and certain than those of our mind and conduct? And would a man be more ridiculous, who would expect that an infant of four years old will raise a weight of three hundred pound, than one, who from a person of the same age.