— James Joyce, A Portrait of the Artist as a Young Man
— Jack Kerouac, On the Road
— Joseph Conrad, Heart of Darkness
— John Ruskin, Unto This Last
— John Kenneth Galbraith
— Victor Hugo
— Abraham Lincoln
— Aldous Huxley, The Doors of Perception (1954)
— Bernard Bailyn
I have endeavoured in this Ghostly little book, to raise the Ghost of an Idea, which shall not put my readers out of humour with themselves, with each other, with the season, or with me. May it haunt their houses pleasantly, and no one wish to lay it.
Their faithful Friend and Servant, C.D.
— Charles Dickens, A Christmas Carol