Qualities I sought in a scientific theory were naturalness, inner perfection and logical simplicity from an aesthetic approach.
Albert EinsteinBut the creative principle resides in mathematics. In a certain sense, therefore, I hold true that pure thought can grasp reality, as the ancients dreamed.
Albert EinsteinHunger, love, pain, fear are some of those inner forces which rule the individual's instinct for self preservation.
Albert EinsteinWe can invent as many theories we like, and any one of them can be made to fit the facts. But that theory is always preferred which makes the fewest number of assumptions.
Albert EinsteinThe conflict that exists today is no more than an old-style struggle for power, once again presented to mankind in semireligious trappings. The difference is that, this time, the development of atomic power has imbued the struggle with a ghostly character; for both parties know and admit that, should the quarrel deteriorate into actual war, mankind is doomed.
Albert Einstein