"A common civility to an impertinent fellow, often draws upon one a great many unforeseen troubles; and if one doth not take particular care, will be interpreted by him as an overture of friendship and intimacy."

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Courage, 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