Authors:

Merely to see... is not enough. It is necessary to have a fresh, vivid, physical contact with the object you draw through as many of the senses as possible - and especially through the sense of touch.

Kimon Nicolaïdes (1990). “The Natural Way to Draw: A Working Plan for Art Study”, p.6, Houghton Mifflin Harcourt
Merely to see... is not enough. It is necessary to have a fresh, vivid, physical contact with the object you draw through as many of the senses as possible - and especially through the sense of touch.