How would it be possible if salvation were ready to our hand, and could without great labor be found, that it should be by almost all men neglected? But all things excellent are as difficult as they are rare.
-Baruch (_Benedict de) Spinoza, Ethics, bk. V, prop. Xlii, On the Improvement of the Understanding, the Ethics, and Correspondence, pp. 270-271, trans. by R.H.M. Elwes, Dover, New York (1955)