The best reaction to a paradox is to invent a genuinely new and deep idea.

Thers is this wonderful iconoclast at Rutgers, Doron Zeilberger, who says that our mathematics is the result of a random walk, by which he means what WE call mathematics. Likewise, I think, for the sciences.

I have this extraordinary curiosity about all subjects of the natural and human world and the interaction between the physical sciences and the social sciences.

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

The important thing is to be able to understand anyone who has something useful to say. - There is a general moral here. Be very careful and very clear about what you say. But do not be dogmatic about your own language. Be prepared to express any careful thought in the language your audience will understand. And be prepared to learn from someone who talks a language with which you are not familiar.

Plutonium has a quite extraordinary relationship with people. They made it, and it kills them.

The final arbitrator in philosophy is not how we think but what we do.