is, opinions which are held without proof—as if self-evident, and moreover that every one must have some or other, who thinks at all, is evident from the nature of the case. If you trace back your reasons for holding an opinion, you must stop some where; the process cannot go on for ever; you must come at last to something you cannot prove, else life would be spent in inquiring and reasoning, our minds would be ever tossing to and fro, and there would be nothing to guide us. No man alive, but has