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

In matters of truth and justice, there is no difference between large and small problems, for issues concerning the treatment of people are all the same.

If the believers of the present-day religions would earnestly try to think and act in the spirit of the founders of these religions then no hostility on the basis of religion would exist among the followers of the different faiths. Even the conflicts and the realm of religion would be exposed as insignificant.

I have never looked upon ease and happiness as ends in themselves. This ethical basis I call the ideal of the pigsty.

Innovation is not the product of logical thought, even though the final product is tied to a logical structure.

Don't let the measurable drive out the relevant

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.