Fear is the parent of cruelty.

Men are made by nature unequal. It is vain, therefore, to treat them as if they were equal.

Of all the evil spirits abroad at this hour in the world, insincerity is the most dangerous.

A person possessed with an idea cannot be reasoned with.

Nature is not a partisan, but out of her ample treasue house she produces children in infinite variety, of which she is equally the mother, and disowns none of them.

What is called virtue in the common sense of the word has nothing to do with this or that man's prosperity, or even happiness.

The first duty of an historian is to be on his guard against his own sympathies...