Learning proceeds until death and only then does it stop. ... Its purpose cannot be given up for even a moment. To pursue it is to be human, to give it up to be a beast. Readings in Classical Chinese Philosophy (2001)
The learning of the gentleman enters through his ears, fastens to his heart, spreads through his four limbs, and manifests itself in his actions. ... The learning of the petty person enters through his ears and passes out his mouth. From mouth to ears is only four inches—how could it be enough to improve a whole body much larger than that? Readings in Classical Chinese Philosophy (2001)