Ernest Renan

I remember from my school days Archimedes jumping into his bath and displacing water and coming up with his famous principle, and of course Isaac Newton being hit on the head with an apple. In other words, this realm of human knowledge - which is mathematical, essentially - can have a playful visual element to it.

There are people, particularly in the United States with which I am most familiar, who would say how ironic that Tehran would be the sponsor of an anti-terrorism conference, because there are people who say that Iran is a state sponsor of terrorism.