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

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

In place of practising wholesome self-abnegation, we ever make the wish the father to the thought: we receive as friendly that which agrees with, we resist with dislike that which opposes us; whereas the very reverse is required by every dictate of common sense.

Magnetic lines of force convey a far better and purer idea than the phrase magnetic current or magnetic flood: it avoids the assumption of a current or of two currents and also of fluids or a fluid, yet conveys a full and useful pictorial idea to the mind.

The condition of matter I have dignified by the term Electronic, THE ELECTRONIC STATE. What do you think of that? Am I not a bold man, ignorant as I am, to coin words?

I cannot conceive curved lines of force without the conditions of a physical existence in that intermediate space.

Nature is our kindest friend and best critic in experimental science if we only allow her intimations to fall unbiased on our minds.