He who possesses most must be most afraid of loss. - Leonardo da Vinci

Happy will be those who give ear to the words of the dead:—The reading of good works and the observing of their precepts.

His first principle stated broadly that the most useful art was the one which could most easily be communicated. Painting was communicable to all since its appeal was made to the eye. While the painter proceeded at once to the imitation of nature, the poet's instruments were words which varied in every land. He took the Platonic view of poetry as a lying imitation, removed from truth. He called the poet a collector of other men's wares, who decked himself in their plumage. Where poetry presented only a shadow to the imagination, painting offered a real image to the eye; and the eye, as the window of the soul

In order to prove whether the spirit can speak or not, it is necessary in the first place to define what a voice is and how it is generated.