Abstract Quote by Rudy Rucker

While perspective is a handy device to construct imagined spaces, it is not useful, and possibly detrimental, to sketching existing environments.

— Paul Laseau

Perspective was always important. There are some cartoonists who can stand at the foot of a building looking straight up and they'll capture it…

— Gary Larson

The essence of drawing is the line exploring space.

— Andy Goldsworthy

Drawing is based upon perspective, which is nothing else than a thorough knowledge of the function of the eye.

— Leonardo da Vinci

Modern mathematics, that most astounding of intellectual creations, has projected the mind's eye through infinite time and the mind's hand into boundless space.

— Nicholas Murray Butler

Considerable obstacles generally present themselves to the beginner, in studying the elements of Solid Geometry, from the practice which has hitherto uniformly prevailed in…

— Augustus De Morgan

Perspective is the rein and rudder of painting.

— Leonardo da Vinci

...a major triumph of mathematical imagination: the use of visual imagery to condense a large quantity of information into a single comprehensible picture... Mathematicians…

— Ian Stewart

Perspective is nothing more than a rational demonstration applied to the consideration of how objects in front of the eye transmit their image to…

— Leonardo da Vinci

Therefore, when we arrive in a place and talk to new people about a new image, it is very hard for them to visualize…

— Christo

The teacher showed us how to see proportions, relationships, light and shadow, negative space, and space between space - something I never noticed before!…

— Daniel H. Pink

Seemingly the most easy of crafts, drawing is the one which reveals most tellingly our incapacity to sustain true vision and our acquiescence to…

— Rico Lebrun