For a physicist mathematics is not just a tool by means of which phenomena can be calculated, it is the main source of concepts and principles by means of which new theories can be created.
Freeman DysonBoiled down to one sentence, my message is the unboundedness of life and the unboundedness of human destiny.
Freeman DysonJust because you see pictures of glaciers falling into the ocean doesn't mean anything bad is happening. This is something that happens all the time. It's part of the natural cycle of things. We know from measurements that glaciers have been melting for 200 years at least.
Freeman Dyson