Question everything.

We especially need imagination in science.

We especially need imagination in science. It is not all mathematics, nor all logic, but it is somewhat beauty and poetry.

I hope he really cried, for a weakness is better than an affectation of weakness. He said, “The unbeliever is already condemned.” It seems to me that if anything would make me an infidel, it would be the threats lavished against unbelief.

Besides learning to see, there is another art to be learned – not to see what is not.

A sphere is made up of not one, but an infinite number of circles; women have diverse gifts, and to say that women’s sphere is the family circle is a mathematical absurdity.

No woman should say, “I am but a woman!” But a woman! What more can you ask to be?

In my younger days, when I was painted by the half-educated, loose and inaccurate ways women had, I used to say, “How much women need exact science” But since I have known some workers in science, I have now said, “How much science needs women”

No woman should say, "I am but a woman!" But a woman! What more can you ask to be?

When we are chafed and fretted by small cares, a look at the stars will show us the littleness of our own interests.