Tact is the knack of making a point without making an enemy.

Isaac Newton

About Isaac Newton

Portrait of Isaac Newton

Sir Isaac Newton (25 December 1642 – 20 March 1726/27) was an English polymath active as a mathematician, physicist, astronomer, alchemist, theologian, and author who was described in his time as a natural philosopher. Newton was a key figure in the Scientific Revolution and the Enlightenment that followed. Newton's book...

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