Pocas o ninguna vez se cumple con la ambición que no sea con daño de tercero. - Miguel de Cervantes

…animals have frequently put humans on notice and taught them a great many important things, as for example: enemas, taught us by storks; vomiting and gratitude, taught us by dogs; watchfulness, taught us by cranes; foresight, taught us by ants; chastity, taught us by elephants; and loyalty, which we learned from horses.

Open thine arms and receive, too, thy son Don Quixote, who, if he comes vanquished by the arm of another, comes victor over himself, which, as he himself has told me, is the greatest victory anyone can desire.

It's up to brave hearts, sir, to be patient when things are going badly, as well as being happy when they're going well ... For I've heard that what they call fortune is a flighty woman who drinks too much, and, what's more, she's blind, so she can't see what she's doing, and she doesn't know who she's knocking over or who she's raising up.