Adam Smith Quote
In every part of the universe we observe means adjusted with the nicest artifice to the ends which they are intended to produce; and in the mechanism of a plant, or animal body, admire how every thing is contrived for advancing the two great purposes of nature, the support of the individual, and the propagation of the species.
Section II, Chap. III. - The Theory of Moral Sentiments (1759) - Part II