“We are healthy only to the extent that our ideas are humane.”

“ We are beings only in the extent of Our Life's Illusion. ”

“It is no exaggeration to say that every human being is hypnotized to some extent either by ideas he has uncritically accepted from others or ideas he has repeated to himself or convinced himself are true. These negative ideas have exactly the same effect upon our behavior as the negative ideas implanted into the mind of a hypnotized subject by a professional hypnotist.”

“The history of interpretation, the skills by which we keep alive in our minds the light and dark of past literature and past humanity ... is to an incalculable extent a history of error.”

“We must remember, however, that art is of value only to the extent that it speaks to us. It might be a universal language if we ourselves were universal in our sympathies.”

“The only way to comprehend what mathematicians mean by Infinity is to contemplate the extent of human stupidity.”