There are epidemics of nobleness as well as epidemics of disease.
Ignorance is the dominion of absurdity.
The first duty of an historian is to be on his guard against his own sympathies...
Of all the evil spirits abroad at this hour in the world, insincerity is the most dangerous.
We must have the real thing before we can have a science of a thing.
Men are made by nature unequal. It is vain, therefore, to treat them as if they were equal.