That's the best way to feed the human mind. That's how Bob Marley did it. He never put it in your face. After you got the groove, you were just singing the hooks, because you thought it was cool.
But unfortunately Locke treated ideas of reflection as if they were another class of objects of contemplation beside ideas of sensation.
Before the discovery of agriculture mankind was everywhere so divided, the size of each group being determined by the natural fertility of its locality.