Right action is better than knowledge; but in order to do what is right, we must know what is right.
"De Litteris Colendis", in Jean-Barthélemy HauréauDe la philosophie scolastique (1850) p. 10; translation from T. H. HuxleyScience and Education ([1893] 2007) p. 132; in Latin, Quamvis enim melius sit benefacere quam nosse, prius tamen est nosse quam facere.