Who said "Constant activity is not necessarily progress."?

This quote is attributed to Plutarch.

Constant activity is not necessarily progress. - Plutarch

"Constant activity is not necessarily progress."

Plutarch Work

Historian Biographer Greece (Chaeronea) 46–120

"The mind is not a vessel to be filled, but a fire to be kindled."

"What we achieve inwardly will change outer reality."

"Be kind and merciful. Let no one ever come to you without leaving better and happier."

"Know thyself."

"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."