Who said "Tact is the art of making a point without making an enemy."?

This quote is attributed to Isaac Newton.

Tact is the art of making a point without making an enemy. - Isaac Newton

"Tact is the art of making a point without making an enemy."

Isaac Newton Kindness

Mathematician and Physicist English 1643–1727

"If I have seen further, it is by standing on the shoulders of giants."

"The greatest force in the universe is not gravity, but human potential."

"I can calculate the motion of heavenly bodies, but not the madness of people."

"Nature and nature's laws lay hid in night; God said, Let Newton be! and all was light."

"A good man treats his wife with respect."

"Kindness always comes back around."

"The power of a smile can change everything."

"Kindness is weakness to some. Not to me."