Mystery is not profoundness.

Too high an appreciation of our own talents is the chief cause why experience preaches to us all in vain.

In answering an opponent, arrange your ideas, but not your words.

The sun should not set upon our anger, neither should he rise upon our confidence. We should forgive freely, but forget rarely. I will not be revenged, and this I owe to my enemy; but I will remember, and this I owe to myself.

No men deserve the title of infidels so little as those to whom it has been usually applied; let any of those who renounce Christianity, write fairly down in a book all the absurdities that they believe instead of it, and they will find that it requires more faith to reject Christianity than to embrace it.

Revenge is a debt, in the paying of which the greatest knave is honest and sincere, and, so far as he is able, punctual.

If we steal thoughts from the moderns, it will be cried down as plagiarism; if from the ancients, it will be cried up as erudition.