There is immeasurably more left inside than what comes out in words. Your thought, even a bad one, while it is with you, is always more profound, but in words it is more ridiculous and dishonorable.
It is because of our unassailable enthusiasm, our profound reverence for education, that we habitually demand of it the impossible. The teacher is expected to perform a choice and varied series of miracles.
This change in the conception of reality is the most profound and the most fruitful that physics has experienced since the time of Newton. Refering to James Clerk Maxwell's contributions to physics.