It followed from the special theory of relativity that mass and energy are both but different manifestations of the same thing - a somewhat unfamiliar conception for the average mind. Furthermore, the equation E = mc², in which energy is put equal to mass, multiplied by the square of the velocity of light, showed that very small amounts of mass may be converted into a very large amount of energy and vice versa.

Princeton is a wonderful little spot. A quaint and ceremonious village of puny demigods on stilts.

Science is the process of making obviously erroneous ideas less obviously erroneous.

Qualities I sought in a scientific theory were naturalness, inner perfection and logical simplicity from an aesthetic approach.

If you want to make your children brilliant, tell them fairy tales. If you want to make them more brilliant, tell them more fairy tales.

I think that only daring speculation can lead us further and not accumulation of facts.

Logic can take you from point A to point B. Imagination can take you wherever you want