I am the only guinea pig I have. — R. Buckminster Fuller. American philosopher, architect and inventor (1895–1983)
Sometimes I think we're alone. Sometimes I think we're not. In either case, the thought is staggering.
When I'm working on a problem, I never think about beauty. I think only how to solve the problem. But when I have finished, if the solution is not beautiful, I know it is wrong.
Nature is trying very hard to make us succeed, but nature does not depend on us. We are not the only experiment.