Who said "Work, work, and more work is the rule."?

This quote is attributed to Carl Friedrich Gauss.

Work, work, and more work is the rule. - Carl Friedrich Gauss

"Work, work, and more work is the rule."

Carl Friedrich Gauss Work

Mathematician and Physicist German 1777–1855

"Mathematics is the queen of the sciences."

"I am still learning."

"It is not knowledge, but the act of learning, not possession but the act of getting there, which grants the greatest enjoyment."

"Talent is a flame. Genius is a fire."

"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."