Heavier-than-air flying machines are impossible.

Overwhelmingly strong proofs of intelligent and benevolent design lie around us... the atheistic idea is so nonsensical that I cannot put it into words.

When you cannot measure, your knowledge is meager and unsatisfactory.

I have no satisfaction in formulas unless I feel their numerical magnitude.

Vortices of pure energy can exist and, if my theories are right, can compose the bodily form of an intelligent species.

Suppose that you could mark the molecules in a glass of water; then pour the contents of the glass into the ocean and stir the latter throughly so as to distribute the marked molecules uniformly throughout the seven seas; if then you took a glass of water anywhere out of the ocean, you would find in it about a hundred of your marked molecules.

All of science can be divided into physics and stamp-collecting.