Who said "The night is as useful to the laborer as the day."?

This quote is attributed to Petrarch.

The night is as useful to the laborer as the day. - Petrarch

"The night is as useful to the laborer as the day."

Petrarch Work

Poet Philosopher Italian 1304–1374

"To be everywhere is to be nowhere."

"Five centuries have passed since my birth, yet my heart still beats with the same passions."

"Love is the only thing that makes life worth living."

"The greatest wealth is a poverty of desires."

"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."