Chemistry is necessarily an experimental science: its conclusions are drawn from data, and its principles supported by evidence from facts.

Physicist is both to my mouth and ears so awkward that I think I shall never use it. The equivalent of three separate sounds of "I" in one word is too much.

I have far more confidence in the one man who works mentally and bodily at a matter than in the six who merely talk about it.

Tyndall, ... I must remain plain Michael Faraday to the last; and let me now tell you, that if accepted the honour which the Royal Society desires to confer upon me, I would not answer for the integrity of my intellect for a single year.

I have taken your advice and the names used are anode cathode anions cations and ions the last I shall have but little occasion for. I had some hot objections made to them here and found myself very much in the condition of the man with his son and Ass who tried to please every body.

Speculations? I have none. I am resting on certainties.

There’s nothing quite as frightening as someone who knows they are right.