Truly, that reason upon which we plume ourselves, though it may answer for little things, yet for great decisions is hardly surer than a toss-up. – Charles Sanders Peirce
Logic is a large drawer, containing some useful instruments, and many more that are superfluous. A wise man will look into it for two purposes, to avail himself of those instruments that are really useful, and to admire the ingenuity with which those that are not so, are assorted and arranged. – Charles Caleb Colton, Lacon