“Certainty is the mother of quiet and repose, and uncertainty the cause of variance and contentions”

“Fanatics have their dreams, wherewith they weave a paradise for a sect”

“Boredom is the root of all evil - the despairing refusal to be oneself.”

“The cause ceasing, the effect ceases also”

“Nothing is more conducive to peace of mind than not having any opinions at all”

“Courage considered in itself or without reference to its causes, is no virtue, and deserves no esteem”