Who said "Reason without sensation is merely abstract."?

This quote is attributed to Étienne Bonnot de Condillac.

Reason without sensation is merely abstract. - Étienne Bonnot de Condillac

"Reason without sensation is merely abstract."

Étienne Bonnot de Condillac Philosophy

Philosopher Psychologist French 1714–1780

"Sensation is the foundation of all our knowledge."

"We can only know what we perceive through our senses."

"The mind is shaped by experience and observation."

"Language is the instrument of thought."

"I've seen the worst humanity has to offer."

"Sometimes I wonder if the world is worth saving."

"Every choice shapes our destiny."

"Order is the foundation of a good life."