“Is it too much to expect from the schools that they train their students not only to interpret but to criticize; that is, to discriminate what is sound from error and falsehood, to suspend judgemen...”

“There are genuine mysteries in the world that mark the limits of human knowing and thinking. Wisdom is fortified, not destroyed, by understanding its limitations. Ignorance does not make a fool as ...”

“True freedom is impossible without a mind made free by discipline.”

“The mind can atrophy, like the muscles, if it is not used.”

“In short, we can only learn from our "betters".”

“What reaches the heart without going through the mind is likely to bounce back and put the mind out of business.”

“The fool doth think he is wise, but the wise man knows himself to be a fool.”

“The secret of life, though, is to fall seven times and to get up eight times.”

“It is the mark of an educated mind to be able to entertain a thought without accepting it.”