Affectation is an awkward and forced imitation of what should be genuine and easy, wanting the beauty that accompanies what is natural.

Children should from the beginning be bred up in an abhorrence of killing or tormenting any living creature; and be taught not to spoil or destroy any thing, unless it be for the preservation or advantage of some other that is nobler.

I am sure, zeal or love for truth can never permit falsehood to be used in the defense of it.

If by gaining knowledge we destroy our health, we labour for a thing that will be useless in our hands.

With books we stand on the shoulders of giants.

Every man must some time or other be trusted to himself.

Success in fighting means not coming at your opponent the way he wants to fight you.