According to recent studies, at least one star out of three is multiple. - Stanisław Ulam

Thanks to my memory, which enabled me to quote Latin and to discuss Greek and Roman civilization, it became obvious to some of my colleagues in other fields that I was interested in things outside mathematics. This lead quickly to very pleasant relationships.

It is still an unending source of surprise for me to see how a few scribbles on a blackboard or on a sheet of paper could change the course of human affairs.

It was not so much that I was doing mathematics, but rather that mathematics had taken possession of me.