Thoroughly conscious ignorance is the prelude to every real advance in science.

What's the go of that? What's the particular go of that?

Francis Galton, whose mission it seems to be to ride other men's hobbies to death, has invented the felicitous expression 'structureless germs'.

Faraday is, and must always remain, the father of that enlarged science of electromagnetism.

The only laws of matter are those that our minds must fabricate and the only laws of mind are fabricated for it by matter.

In fact, whenever energy is transmitted from one body to another in time, there must be a medium or substance in which the energy exists after it leaves one body and before it reaches the other ... and if we admit this medium as an hypothesis, I think it ought to occupy a prominent place in our investigations, and that we ought to endeavour to construct a mental representation of all the details of its action, and this has been my constant aim in this treatise.

Ampere was the Newton of Electricity.