Who said "The acquisition of knowledge is never a waste of effort."?

This quote is attributed to Leonardo da Vinci.

The acquisition of knowledge is never a waste of effort. - Leonardo da Vinci

"The acquisition of knowledge is never a waste of effort."

Leonardo da Vinci Knowledge

Polymath Artist Scientist Italian 1452–1519

"Learning never exhausts the mind."

"Simplicity is the ultimate sophistication."

"The observer sees what he observes."

"Art is the queen of all sciences."

"We're not just after treasure. We're preserving history."

"The mind is humanity's greatest tool."

"A tidy room reflects a tidy mind."

"You can learn a lot about a person by how they keep their space."