When I have a model who is quiet and steady and with whom I am acquainted, then I draw repeatedly 'til there is one drawing that is different from the rest, which does not look like an ordinary study, but more typical and with more feeling.
Vincent van Gogh, Anthon Gerhard Alexander Rappard (ridder van), Anthon van Rappard (1936). “Letters to an artist: from Vincent van Gogh to Anton ridder van Rappard, 1881-1885”
