“Everything is useful which contributes to fix in the principles and practices of virtue.”

“Language is a process of free creation; its laws and principles are fixed, but the manner in which the principles of generation are used is free and infinitely varied. Even the interpretation and use of words involves a process of free creation.”

“Life, if you know how to use it, is long; but…many, following no fixed aim, shifting and… dissatisfied, are plunged by their fickleness into plans that are ever new; some have no fixed principle by which to direct their course.”

“Semiotics is in principle the discipline studying everything which can be used in order to lie. If something cannot be used to tell a lie, conversely it cannot be used to tell the truth: it cannot in fact be used "to tell" at all.”

“In war, theory is all right so far as general principles are concerned; but in reducing general principles to practice there will always be danger. Theory and practice are the axis about which the sphere of accomplishment revolves.”

“For nothing contributes so much to tranquilize the ind as a steady purpose -- a point on which the soul may fix its intellectual eye.”