Anybody who is not shocked by this subject has failed to understand it. [of quantum mechanics]

Physics is the belief that a simple and consistent description of nature is possible.

If you think you understand it, that only shows that you don't know the first thing about it.

Anybody who is not shocked by this subject has failed to understand it. [of quantum mechanics]

The opposite of a fact is falsehood, but the opposite of one profound truth may very well be another profound truth.

Some things are so serious, they can only be joked about.

Anyone who can contemplate quantum mechanics without getting dizzy hasn't understood it.