According to the assumption considered here, in the propagation of a light ray emitted from a point source, the energy is not distributed continuously over ever-increasing volumes of space, but consists of a finite number of energy quanta localized at points of space that move without dividing and can be absorbed or generated only as complete units.

I am by heritage a Jew, by citizenship a Swiss, and by makeup a human being, and only a human being, without any special attachment to any state or national entity whatsoever.

The fairest thing we can experience is the mysterious. It is the fundamental emotion which stands at the cradle of true art and true science.

Science is the attempt to make the chaotic diversity of our sense-experience correspond to a logically uniform system of thought.

The cosmic religious experience is the strongest and the noblest driving force behind scientific research.

Man like every other animal is by nature indolent. If nothing spurs him on, then he will hardly think, and will behave from habit like an automaton.

In a healthy nation there is a kind of dramatic balance between the will of the people and the government, which prevents its degeneration into tyranny.

The led must not be compelled, they must be able to choose their own leader.

Out of clutter, find simplicity.

Bureaucracy is the death of any achievement.