Society can and does execute its own mandates， and if it issues wrong mandates instead of right， or any mandates at all in things with which it ought not to meddle， it practices a social tyranny more formidable than many kinds of political oppression， since， though not usually upheld by such extreme penalties， it leaves fewer means of escape， penetrating much more deeply into the details of life， and enslaving the soul itself.
The subject matter is autobiographical, it's all to do with hope and memory and sensuality and involvement, really.
You want to be extra rigorous about making the best possible thing you can.
量子力学的教训是，我们必须修正我们对现实的经典观念。