The whole of science is nothing more than a refinement of everyday thinking.

No amount of experimentation can ever prove me right; a single experiment can prove me wrong.

The most beautiful experience we can have is the mysterious. It is the source of all true art and science.

It can scarcely be denied that the supreme goal of all theory is to make the irreducible basic elements as simple and as few as possible without having to surrender the adequate representation of a single datum of experience.

A theory is the more impressive the greater the simplicity of its premises, the more different things it relates, and the more extended its area of applicability.

But science can only be created by those who are thoroughly imbued with the aspiration toward truth and understanding