A Treatise on Painting
by Leonardo da Vinci, translated by John Francis Rigaud
That a Man ought not to trust to himself, but ought to consult Nature
4017108A Treatise on Painting — That a Man ought not to trust to himself, but ought to consult NatureJohn Francis RigaudLeonardo da Vinci

Chap. CCCLXV.That a Man ought not to trust to himself, but ought to consult Nature.

Whoever flatters himself that he can retain in his memory all the effects of Nature, is deceived, for our memory is not so capacious; therefore consult Nature for every thing.