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."

"I believe in working hard for what you want."

"Never underestimate the power of determination."

"I don't need a reason to fight."

"The most important thing is the mission. Nothing else matters."