The lecturer should give the audience full reason to believe that all his powers have been exerted for their pleasure and instruction.

I will simply express my strong belief, that that point of self-education which consists in teaching the mind to resist its desires and inclinations, until they are proved to be right, is the most important of all, not only in things of natural philosophy, but in every department of dally life.

With respect to Committees as you would perceive I am very jealous of their formation. I mean working committees. I think business is always better done by few than by many.

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.

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

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

Lectures which really teach will never be popular; lectures which are popular will never really teach.