Quotes by Michio Kaku

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.

There are many examples of old, incorrect theories that stubbornly persisted, sustained only by the prestige of foolish but well-connected scientists. Many of these theories have been killed off only when some decisive experiment exposed their incorrectness.

Thus the yeoman work in any science, and especially physics, is done by the experimentalist, who must keep the theoreticians honest.