Nothing introduces us to the concept of graceful, does not form taste, and does not fertilize talent for ingenuity, like an enlightened look at exemplary works. The full idea, or even the genius of the work, lies in his essay, or sketch; the execution of each idea is different in terms of the degree of ability to implement the idea, therefore the essay is the main thing, it contains all the thought that one can create, but many can fulfill. This book allows you to comprehend the genius of great masters, as well as the features of their work.