If a thing can be done adequately by means of one, it is superfluous to do it by means of several; for we observe that nature does not employ two instruments [if] one suffices.
Thomas Aquinas, Anton C. Pegis (1997). “Basic Writings of St. Thomas Aquinas, Volume 2”, p.129, Hackett Publishing
![If a thing can be done adequately by means of one, it is superfluous to do it by means of several; for we observe that nature does not employ two instruments [if] one suffices.](http://cdn.quoteddaily.com/images/thomas-aquinas/if-a-thing-can-be-done-adequately-by-means-of-one-it-is-superfluous-to-do-it-by-means-of.jpg)