Our poets do not write about it; our artists do not try to portray this remarkable thing. I don't know why. Is nobody inspired by our present picture of the universe? The value of science remains unsung by singers... This is not yet a scientific age.

There is enough energy in a single cubic meter of space to boil all the oceans in the world.

Don't pay attention to "authorities," think for yourself.

To decide upon the answer is not scientific. In order to make progress, one must leave the door to the unknown ajar ajar only.

First you guess. Don't laugh, this is the most important step. Then you compute the consequences. Compare the consequences to experience. If it disagrees with experience, the guess is wrong. In that simple statement is the key to science. It doesn't matter how beautiful your guess is or how smart you are or what your name is. If it disagrees with experience, it's wrong. That's all there is to it.

Tell your son to stop trying to fill your head with science - for to fill your heart with love is enough!

Scientific knowledge is an enabling power to do either good or bad — but it does not carry instructions on how to use it.