[I] must seek in the stars that which was denied [to me] on earth.

The trite objects of human efforts-possessions, superficial success, luxury-have always seemed contemptible to me.

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

If I could remember the names of all these particles, I'd be a botanist.

I think that only daring speculation can lead us further and not accumulation of facts.

Qualities I sought in a scientific theory were naturalness, inner perfection and logical simplicity from an aesthetic approach.

It stands to the everlasting credit of science that by acting on the human mind it has overcome man's insecurity before himself and before nature.