What a weak, credulous, incredulous, unbelieving, superstitious, bold, frightened, what a ridiculous world ours is, as far as concerns the mind of man. How full of inconsistencies, contradictions and absurdities it is. I declare that taking the average of many minds that have recently come before me ... I should prefer the obedience, affections and instinct of a dog before it.

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

I happen to have discovered a direct relation between magnetism and light, also electricity and light, and the field it opens is so large and I think rich.

A man who is certain he is right is almost sure to be wrong.

Why will people go astray when they have this blessed Book to guide them?

It is on record that when a young aspirant asked Faraday the secret of his success as a scientific investigator, he replied, 'The secret is comprised in three words- Work, Finish, Publish.'

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.