The measure of greatness in a scientific idea is the extent to which it stimulates thought and opens up new lines of research.
Paul DiracThe shortage of buyers, which the world is suffering from, is readily understood, not as due to people not wishing to obtain possession of goods, but as people being unwilling to part with something which might earn a regular income in exchange for those goods.
Paul DiracI do not see how a man can work on the frontiers of physics and write poetry at the same time. They are in opposition.
Paul Dirac