Noun
(physics) a physical theory that certain properties occur only in discrete amounts (quanta)
Source: WordNetAnyone who is not shocked by quantum theory has not understood it. Niels Bohr
The girl I find who wants to talk about quantum theory in a bar is the one I want to marry. Brandon Boyd
It is often stated that of all the theories proposed in this century, the silliest is quantum theory. In fact, some say that the only thing that quantum theory has going for it is that it is unquestionably correct. Michio Kaku
Quantum theory also tells us that the world is not simply objective; somehow it's something more subtle than that. In some sense it is veiled from us, but it has a structure that we can understand. John Polkinghorne
On quantum theory I use up more brain grease (rough translation of German idiom) than on relativity. Albert Einstein
Quantum theory was split up into dialects. Different people describe the same experiences in remarkably different languages. This is confusing even to physicists. David Finkelstein