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."

"A leader must be fair and just."

"Integrity is everything."

"One must take responsibility for one's environment."

"In this house, I make the decisions"