Music, when combined with a pleasurable idea, is poetry; music without the idea is simply music; the idea without the music is prose from its very definitiveness.
Ideas are like rabbits. You get a couple and learn how to handle them, and pretty soon you have a dozen.
Ideas are like fish. If you want to catch little fish, you can stay in the shallow water. But if you want to catch the big fish, you’ve got to go deeper.
The truth is sometimes a poor competitor in the market place of ideas – complicated, unsatisfying, full of dilemmas, always vulnerable to misinterpretation and abuse.
Most of the fundamental ideas of science are essentially simple, and may, as a rule, be expressed in a language comprehensible to everyone.