It always takes longer than you expect, even when you take into account Hofstadter’s Law.
Douglas Richard Hofstadter
American professor of cognitive science whose research focuses on the sense of “I”, consciousness, analogy-making, artistic creation, literary translation, and discovery in mathematics and physics. Best known for his book Gödel, Escher, Bach: An Eternal Golden Braid, first published in 1979. Won both the Pulitzer Prize for general non-fiction and a National Book Award for Science. His 2007 book I Am a Strange Loop won the Los Angeles Times Book Prize for Science and Technology.