In particular, she had a wonderful sense of humor, and I learned from her that the highest forms of understanding we can achieve are laughter and human compassion.

I have a friend who's an artist, and he sometimes takes a view which I don't agree with. He'll hold up a flower and say, 'Look how beautiful it is,' and I'll a…

The scientist has a lot of experience with ignorance and doubt and uncertainty, and this experience is of very great importance, I think. When a scientist does…

I have to understand the world, you see.

To be totally understanding makes one very indulgent.

True kindness presupposes the faculty of imagining as one's own the suffering and joys of others.

All for myself the sigh would swell, The tear of anguish start; I little knew what wilder woe Had filled the Poet's heart. I did not know the nights of gloom, …