The great enemy of knowledge is not error, but inertness. All that we want is discussion; and then we are sure to do well, no matter what our blunders may be. One error conflicts with another, each destroys its opponent, and truth is evolved.
London still pays rent to the Queen on a property in leased in the 11th century. Every year, a ceremony is held at the Royal Courts of Joustice and the city hands over its annual rent: a knife, an axe, 6 horseshoes and 61 nails. The price has stayed the same for over 800 years, even though nobody can really remember where the property is.
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