Never encourage a man to cook breakfast; it cause him to wonder if women are necessary.
Robert A. HeinleinNever pick up a stray kitten . . . unless you've already made up your mind to be owned by it.
Robert A. HeinleinThere are two ways of forming an opinion. One is the scientific method; the other, the scholastic. To the scientific mind, experimental proof is all-important, and theory is merely a convenience in description, to be junked when it no longer fits. To the academic mind, authority is everything, and facts are junked when they do not fit theory.
Robert A. Heinlein