It cannot but happen†that those will survive whose functions happen to be most nearly in equilibrium with the modified aggregate of external forces† This survival of the fittest implies multiplication of the fittest.

-Spencer, Herbert
  Principles of Biology, pt.3, ch.12, sect.164.

Il faut n'appeler Science que l'ensemble des recettes qui re¤  ussissent toujours.öTout le reste est litte¤  rature. Science means simply the aggregate of all the recipes that are always successful. All the rest is literature.

-Vale¤  ry, Paul
  Moralite¤  s.