Who said "Self-knowledge is the beginning of self-improvement."?

This quote is attributed to Petrarch.

Self-knowledge is the beginning of self-improvement. - Petrarch

"Self-knowledge is the beginning of self-improvement."

Petrarch Education

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."

"Education opens doors."

"Education opens doors to endless possibilities."

"I ain't got the education you got, bub."

"You can't put a price on history."