“One must ask children and birds how cherries and strawberries taste”

“If we could give every individual the right amount of nourishment and exercise, not too little and not too much, we would have found the safest way to health ”

“Illness is the doctor to whom we pay most heed; to kindness, to knowledge, we make promise only; pain we obey”

“In the depth of winter I finally learned that there was in me an invincible summer ”

“The simplest schoolboy is now familiar with truths for which Archimedes would have sacrificed his life.”

“The more that learn to read the less learn how to make a living. That's one thing about a little education. It spoils you for actual work. The more you know the more you think somebody owes you a living”