My interest in science was always essentially limited to the study of principles.... That I have published so little is due to this same circumstance, as the great need to grasp principles has caused me to spend most of my time on fruitless pursuits.
It was my duty to have loved the highest; It surely was my profit had I known: It would have been my pleasure had I seen. We needs must love the highest when we see it, Not Lancelot, nor another.
I prefer that for my own satisfaction over radio, there's no audience. TV, there's no audience. I need the response of the audience, even if it's a silent response.
I came from a poor family, so working and going to school at the same time was natural. It taught me multi-tasking, although we didn't call it that back then. I learned I could never be idle, I need to be doing many things at once.