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

“Don't judge a man by his opinions, but what his opinions have made of him.”

“The highest level than can be reached by a mediocre but experienced mind is a talent for uncovering the weaknesses of those greater than itself.”

“Honest unaffected distrust of human abilities under all circumstances is the surest sign of strength of mind.”

“If we thought more for ourselves we would have very many more bad books and very many more good ones.”

“I am confident of my ability to demonstrate that one can sometimes believe in something and yet not believe in it. Nothing is less fathomable than the systems that motivate our actions.”

“It is impossible to have bad taste, but many people have none at all.”