Any fool can know. The point is to understand.

I have survived two wars, two wives and Hitler.

Nothing will benefit human health and increase the chances for survival of life on Earth as much as the evolution to a vegetarian diet.

Marie Curie is, of all celebrated beings, the only one whom fame has not corrupted.

I consider it important, indeed urgently necessary, for intellectual workers to get together, both to protect their own economic status and, also, generally speaking, to secure their influence in the political field.

My interest in science was always essentially limited to the study of principles.... That I have published so little is due to this same circumstance, as the great need to grasp principles has caused me to spend most of my time on fruitless pursuits.

Rejoice with your family in the beautiful land of life.