Who said "Constant industry, constant effort, constant output."?

This quote is attributed to Isaac Newton.

Constant industry, constant effort, constant output. - Isaac Newton

"Constant industry, constant effort, constant output."

Isaac Newton Work

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."

"Hard work never killed anybody."

"Work with purpose and integrity."

"Hard work pays off in the end."

"A man's gotta do what a man's gotta do."