Authors:

[Drawing should be] a journey of pleasure. Each step must present to the travellers' view objects that are eminently interesting, varied in their appearances, and attracting to such a degree as to excite in each individual thus happily employed the desire of knowing all respecting all he sees.

John James Audubon, Christoph Irmscher (1999). “Writings and drawings”
[Drawing should be] a journey of pleasure. Each step must present to the travellers' view objects that are eminently interesting, varied in their appearances, and attracting to such a degree as to excite in each