Quote by Étienne Bonnot de Condillac

"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."

"The best part of living is knowing you survived."

"The world needs heroes."

"Life is too short to live poorly."

"I'd rather be an optimist and be wrong than a pessimist and be right"