Selfishness is the bedrock on which all moral behavior starts and it can be immoral only when it conflicts with a higher moral imperative.
Robert A. HeinleinI believe in my neighbors. I know their faults and I know that their virtues far outweigh their faults.
Robert A. HeinleinHeroism' often consists in keeping your head in an emergency and doing the best you can with what you have instead of panicking and being shot in the tail. People who fight this way win more battles than do intentional heroes; a glory hound often throws away the lives of his mates as well as his own.
Robert A. Heinlein