All peoples have evolved extraordinarily precise ways of settling issues about the things that matter to them.

Some people say they use images to help them remember intricacies. Others say they just remember. If they are able to form an image of the face, it is because they remember how it was: it is not that an image guides memory, but that memory produces an image, or the sense of imaging. We have no agreed way to talk clearly about such things.

I think it's unfortunate when people say that there is just one true story of science. For one thing, there are many different sciences, and historians will tell different stories corresponding to different things.

It is so hard to make important decisions that we have a great urge to reduce them to rules.

Molecular biology has routinely taken problematic things under its wing without altering core ideas.

Among the lesser effects of quantum theory are gaping holes in old ideas about causality.