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184 pages, Paperback
First published January 1, 1964
It is impossible, by the way, by picking one of anything to pick one that is not atypical in some sense. That is the wonder of the world.
If it disagrees with experiment it is wrong. In that simple statement is the key to science… We never are definitely right, we can only be sure we are wrong.
It is easy to understand how an object can be symmetrical, but how can a physical law have a symmetry? Of course it cannot, but physicists delight themselves by using ordinary words for other things.
that there are things we can do to the physical laws, or to our way of representing the physical laws, which make no difference, and leave everything unchanged in its effects.
It is a small section only of natural phenomena that one gets from direct experience. It is only through refined measurements and careful experimentation that we can have a wider vision.
Nature uses only the longest threads to weave her patterns, so each small piece of her fabric reveals the organization of the entire tapestry.