There are three classes of people: those who see, those who see when they are shown, those who do not see.
-- Leonardo da Vinci
   
Leonardo da Vinci   Name:
Leonardo da Vinci
Type:
Artist
Nationality:
Italian
Birth:
April 15, 1452
Death:
May 2, 1519
https://www.nutquote.com/quote/Leonardo_da_Vinci