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“Outside of a dog, a book is man's best friend. Inside of a dog it's too dark to read.”
― Groucho Marx, The Essential Groucho: Writings For By And About Groucho Marx

“I was gratified to be able to answer promptly, and I did. I said I didn’t know.”
― Mark Twain

“By three methods we may learn wisdom: First, by reflection, which is noblest; Second, by imitation, which is easiest; and third by experience, which is the bitterest.”
― Confucious

“Everything must be made as simple as possible. But not simpler.”
― Albert Einstein