I used to tell my friends that the inventor of painting, according to the poets, was Narcissus, who was turned into a flower; for as painting is the flower of all the arts, so the tale of Narcissus fits our purposes perfectly. What is painting but the act of embracing by means of art the surface of the pool?
Leon Battista Alberti, On Painting and on Sculpture, 1435
Perspective is a Latin word meaning Seeing-Through.
Albrecht DÜrer, Book of Measurements, 1525
Lippo de ser Brunelleschi of Florence founded the procedure of working out this method [of perspective] in which there was truly something ingenious, subtle, and beautiful; by rational procedures ...