Not only do words infect, egotize, narcotize, and paralyze, but they enter into and colour the minutest cells of the brain. . . .

Keep your head when all about you are losing theirs and blaming it on you.

Shere Khan, the Big One, has shifted his hunting grounds. He will hunt among these hills for the next moon, so he has told me.

If you can wait, and not be tired by waiting ... if you can dream, and not make dreams your master; if you can think, and not make thoughts your aim; if you can meet with Triumph and Disaster, and treat those two impostors just the same; ... yours is the earth and everything that's in it...

Doctors have been exposed-you always will be exposed-to the attacks of those persons who consider their own undisciplined emotions more important than the world's most bitter agonies-the people who would limit and cripple and hamper research because they fear research may be accompanied by a little pain and suffering.

Never praise a sister to a sister, in the hope of your compliments reaching the proper ears.

If you can meet success and failure and treat them both as impostors, then you are a balanced man, my son.