Invention Without Quotes
- No employment can be managed without arithmetic, no mechanical invention without geometry. — Benjamin Franklin
- Nature is the source of all true knowledge. She has her own logic, her own laws, she has no effect without cause nor invention without… — Leonardo da Vinci
- Genius is neither learned nor acquired. It is knowing without experience. It is risking without fear of failure. It is perception without touch. It is… — Patricia Polacco