Examples teach us that in military affairs, and all others of a like nature, study is apt to enervate and relax the courage of man, rather than to give strength and energy to the mind.
Michel de MontaigneLay a beam between these two towers of such width as we need to walk on: there is no philosophical wisdom of such great firmness that it can give us courage to walk on it as we should if it were on the ground.
Michel de Montaigne