We all try to escape pain and death, while we seek what is pleasant.

We 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.

It is an outcome of faith that nature-as she is perceptible to our five senses-takes the character of such a well formulated puzzle.

Our task is to widen our circle of compassion to include all living beings and all of nature

It would be a sad situation if the bag was better than the meat wrapped in it.

I always have a high regard for the individual and have an insuperable distaste for violence and clubmanship. All these motives made me into a passionate pacifist and anti-militarist. I am against any nationalism, even in the guise of mere patriotism. Privileges based on position and property have always seemed to me unjust and pernicious, as did any exaggerated personality cult.

Relativity is a purely scientific matter and has nothing to do with religion.