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We are so presumptuous that we should like to be known all over the world, even by people who will only come when we are no more. Such is our vanity that the good opinion of half a dozen of the people around us gives us pleasure and satisfaction.
Pensees. 1670.
Loci: Convergence
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Tree and Vine
A tree is 20 feet tall and has a circumference of 3 feet. There is a vine that winds seven equally spaced times around the tree and reaches the top. What is the length of the vine? (China 100 BCE)
Click here to reveal the answerThe answer is: 29 feet