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Out of this group of three people: Isaac Newton, Galileo Galilei, and Albert Einstein. This one was the only one to say these things,"Tact is the knack of making a point without making an enemy.", "If I have seen further than others, it is by standing upon the shoulders of giants.", "I can calculate the motion of heavenly bodies, but not the madness of people.", "A man may imagine things that are false, but he can only understand things that are true, for if the things be false, the apprehension of them is not understanding."
Who is Sir Isaac Newton