sage precepts of the first instructors of the world are transmitted from age to age with little variation, and echoed from one author to another, not perhaps without some loss of their original force at every repercussion.
I know not whether any other reason than this idleness of imitation can be assigned for that uniform and constant partiality, by which some vices have hitherto escaped censure, and some virtues wanted recommendation; nor can I discover why else we have been warned only against part of our enemies, while the rest have been suffered to steal upon us without notice; why the heart has on one side been doubly fortified, and laid open on the other to the incursions of error and the ravages of vice.
Among the favourite topicks of moral declamation, may be numbered the miscarriages of imprudent boldness, and the folly of attempts beyond our power. Every page of every philosopher is crowded with examples of temerity that sunk under burdens which she laid upon herself, and called out enemies to battle by whom she was destroyed.
Their remarks are too just to be disputed, and too salutary to be rejected; but there is likewise some danger lest timorous prudence should be inculcated, till courage and enterprise are wholly repressed, and the mind congealed in perpetual inactivity by the fatal influence of frigorifick wisdom.
Every man should, indeed, carefully compare his force with his undertaking; for though we ought not to live only for our own sakes, and though therefore danger or difficulty should not
