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“If we knew what it was we were doing, it would not be called research, would it?”
― Albert Einstein

“Nothing in this world can take the place of persistence. Talent will not; nothing is more common than unsuccessful men with talent. Genius will not; unrewarded genius is almost a proverb. Education will not; the world is full of educated derelicts. Persistence and determination alone are omnipotent. The slogan 'Press On!' has solved and always will solve the problems of the human race.”
― Calvin Coolidge

“Happiness in intelligent people is the rarest thing I know.”
― Ernest Hemingway, The Garden of Eden

“Success is not final, failure is not fatal: it is the courage to continue that counts.”
― Winston S. Churchill