It has been said that death ends all things. This is a mistake. It does not end the volume of practical quotations, and it will not until the sequence of the alphabet is so materially changed as to place D where Z now stands. – Harper’s Bazar: Facetiæ, September 1, 1888, quoted in A Dictionary of

Then your words of abuse today may turn into a universally valid principle of denigration, for words are magical formulae. They leave fingermarks behind on the brain, which in the twinkling of an eye becomes the footprints of history. One ought to watch one’s every word. – Franz Kafka, quoted by Gustav Janouch, Conversations with Kafka

When a thing has been said and well said, have no scruple: take it and copy it. – Anatole France, “The Creed”