Almost every one has a predominant inclination, to which his other desires and affections submit, and which governs him, though perhaps with some intervals, though the whole course of his life.
David HumeCourage, of all national qualities, is the most precarious; because it is exerted only at intervals, and by a few in every nation; whereas industry, knowledge, civility, may be of constant and universal use, and for several ages, may become habitual to the whole people.
David Hume