As I have said so many times, God doesn't play dice with the world.

This has been done elegantly by Minkowski; but chalk is cheaper than grey matter, and we will do it as it comes.

The more a country makes military weapons, the more insecure it becomes: if you have weapons, you become a target for attack.

Heroism on command, senseless violence, and all the loathsome nonsense that goes by the name of patriotism - how passionately I hate them!

What Artistic and Scientific Experience Have in Common - Where the world ceases to be the scene of our personal hopes and wishes, where we face it as free beings admiring, asking, and observing, there we enter the realm of Art and Science. If what is seen and experienced is portrayed in the language of logic, we are engaged in science. If it is communicated through forms whose connections are not accessible to the conscious mind but are recognized intuitively as meaninful, then we are engaged in art. Common to both is the loving devotion to that which transcends personal concerns and volition.

Imagination is the most powerful force in the universe.

To put it boldly, it is the attempt at a posterior reconstruction of existence by the process of conceptualization.