Girard Desargues quotes

Parallel lines have a common end point at an infinite distance. (Girard Desargues)
I freely confess that I never had taste for study or research either in physics or geometry except in so far as they could serve as a means of arriving at some sort of knowledge of the proximate causes... for the good and convenience of life, in maintaining health, in the practice of some art,... having observed that a good part of the arts is based on geometry, among others that cutting of stone in architecture, that of sundials, that of perspective in particular. View quote
Girard Desargues
When no point of a line is at a finite distance, the line itself is at an infinite distance. View quote
Girard Desargues
He who shall wish to disentangle this proposition will easily be able to compose a volume. View quote
Girard Desargues