420  People react to fear, not love - they don't teach that in Sunday School, but it's true. ” - Leonardo da Vinci
565  In rivers, the water that you touch is the last of what has passed and the first of that which comes; so with present time. ” - Leonardo da Vinci
454  He who loves practice without theory is like the sailor who boards ship without a rudder and compass and never knows where he may cast. ” - Leonardo da Vinci
372  Blinding ignorance does mislead us. O! Wretched mortals, open your eyes! ” - Leonardo da Vinci
727  All our knowledge has its origins in our perceptions. ” - Leonardo da Vinci