Who said "The only constant in life is change."?

This quote is attributed to Petrarch.

The only constant in life is change. - Petrarch

"The only constant in life is change."

Petrarch Change

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."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."