Radio has no future." "X-rays are clearly a hoax". "The aeroplane is scientifically impossible.

The vortex theory [of the atom] is only a dream. Itself unproven, it can prove nothing, and any speculations founded upon it are mere dreams about dreams.

If we can't express what we know in the form of numbers, we really don't know much about it.

You know only insofar as you can measure.

When you can measure what you are speaking about, and express it in numbers, you know something about it.

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

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.