"To know even one life has breathed easier because you have lived. This is to have succeeded."

"We do what we must, and call it by the best names."

"Character is higher than intellect... A great soul will be strong to live, as well as to think."

"It makes a great difference in the force of a sentence, whether a man be behind it or no."

"To the body and mind which have been cramped by noxious work or company, nature is medicinal and restores their tone."

"Live in the sunshine, swim the sea, drink the wild aira€|"

"The writer is the engineer of the human soul."

"It's so easy to be wicked without knowing it, isn't it?"

"Don't mind criticism. If it is untrue, disregard it; if unfair, keep from irritation; if it is ignorant, smile; if it is justified it is not criticism, learn from it."

"It's simple. It's just things with chalk on a board."

"Whenever two people meet, there are really six people present. There is each man as he sees himself, each man as the other person sees him, and each man as he really is."

"It is now possible for a flight attendant to get a pilot pregnant."