My scientific work is motivated by an irresistible longing to understand the secrets of nature and by no other feeling. My love for justice and striving to contribute towards the improvement of human conditions are quite independent from my scientific interests.

Every one who is seriously involved in the pursuit of science becomes convinced that a spirit is manifest in the laws of the Universe-a spirit vastly superior to that of man, and one in the face of which we with our modest powers must feel humble.

He who cherishes the value of cultures cannot fail to be a pacifist.

We dance for laughter, we dance for tears, we dance for madness, we dance for fears, we dance for hopes, we dance for screams, we are the dancers, we create the dreams.

I would teach peace rather than war, love rather than hate.

The really valuable method of thought to arrive at a logically coherent system is intuition.

There is a driving force more powerful than steam, electricity and nuclear power: the will.