A fool is only troublesome, a pedant insupportable.
Neglect of duty does not cease, by repetition, to be neglect of duty.
Impatience is a great obstacle to success; he who treats everything with brusqueness gathers nothing, or only immature fruit which will never ripen.
Men are ruled by toys.
Policemen and prisons ought never to be the means used to bring men back to the practice of religion.
Conquests will come and go but Delambre's work will endure.