All civil societies, and the whole science of civil government, on which they are founded, are yet in their infancy. Like other arts and sciences, this is gradually improving; but it improves more slowly, because opportunities for making experiments are fewer. Indeed, hardly any trials in legislation have ever been made by persons who had knowledge and ability to collect from history, and to compare the observations which might be of use for this purpose, or had leisure to digest them properly at the time. Taking it for granted, therefore, that our constitution and laws have not escaped the imperfections which we see to be incident to every thing human; by all means, let the closest attention be given to them, let their excellencies and defects be thoroughly laid open, and let improvements of every kind be made; but not such as would prevent all farther improvements: because it is not probable, that any improvements, which the utmost sagacity of man could now suggest, would be an equivalent for the prevention of all that might be made hereafter. Were the best