“You live it forward, but understand it backward.”

“The key to your happiness is to own your slippers, own who you are, own how you look, own your family, own the talents you have, and own the ones you don't. If you keep saying your slippers aren't ...”

“Yesterday misspent can't be recall'dVanity makes beauty contemptibleWisdom is more valuable than riches.”

“God will judge us, Mr. Harris, by--by what we did to relieve the suffering of our fellow human beings. I don't think God cares what doctrine we embrace.”

“Being the first born gives you great patience.”

“Everyone needed an obsession.”

“The disease of the soul is both more common and more deadly than the disease of the body. Just as medicine is the art devoted to healing the body, so philosophy is the art devoted to healing the so...”

“Popular medicine and popular morality belong together and ought not to be evaluated so differently as they still are: both are the most dangerous pseudo-sciences.”

“One of the essential qualities of the clinician is interest in humanity, for the secret of the care of the patient is in caring for the patient.”