James Clerk Maxwell's [work is the] most profound and the most fruitful.
The last thing to collapse is the surface.
It is every man's obligation to put back into the world at least the equivalent of what he takes out of it.
It is quite possible that we can do greater things than Jesus, for what is written in the Bible about him is poetically embellished.
Relativity applies to physics, not ethics.
I am neither especially clever nor especially gifted. I am only very, very curious.