A famous speech in Medicine by William Osler. I am not a MD but the speech impresses the heck out of me. It is a concept/ideal that is not talked about much any more. Something that I am lacking but can aspire to.
I get a kick out of the ending quote having read the story of Roland as a kid
And, if the fight is for principle and justice, even when failure seems certain, where many have failed before, cling to your ideal, and, like Childe Roland
["Aequanimitas," Aequanimitas, p. 9]
before the dark tower, set the slug-horn to your lips, blow the challenge, and calmly await the conflict.