"Involuntarily and without any definite motive, I had a thought that often occurs to me. Not only did I begin drawing relatively late in life, but it may also be that I shall not live for so very many years to come.. .I think I may presume without rashness: that my body will keep a certain number of years "quand bien meme" - a certain number, say between six and ten years for instance.. .This is the period on which I reckon firmly."