Who said "Work ennobles those who approach it with integrity."?

This quote is attributed to Leibniz, Gottfried.

Work ennobles those who approach it with integrity. - Leibniz, Gottfried

"Work ennobles those who approach it with integrity."

Leibniz, Gottfried Work

Philosopher-Mathematician German 1646–1716

"There is nothing in the intellect that was not first in the senses, except the intellect itself."

"The present is pregnant with the future."

"Nature never makes jumps."

"God is in the details."

"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."