If we do discover more than one type of life on Earth, we can be fairly certain that the universe is teeming with it, for it would be inconceivable that life started twice here but never on all the other earth-like planets.
“The search for the truth for truth's sake is the mark of the historian.”
“I'm very interested, for instance, in music in education - getting young people not only to listen to, but participate in the music that I write. I consider this one of the most vital aspects of my work.”