The more physics you have the less engineering you need.

All science is either physics or stamp collecting.

[From uranium] there are present at least two distinct types of radiation one that is very readily absorbed, which will be termed for convenience the α radiation, and the other of a more penetrative character, which will be termed the β radiation.

Splitting the atom is like trying to shoot a gnat in the Albert Hall at night and using ten million rounds of ammunition on the off chance of getting it. That should convince you that the atom will always be a sink of energy and never a reservoir of energy.

That which is not measurable is not science. That which is not physics is stamp collecting.

We haven't got the money, so we've got to think.

Now I know what the atom looks like.