not to have omitted that. But it was not until about the fifth century before Christ that I thought of really studying medicine. I was in the island of Cos, where I had gone for a very queer reason. The great painter Apelles lived there, and I went for the purpose of studying art under him. I was tired of most of the things I had been doing, and I thought it would be a good idea to become a painter. Apelles gave me no encouragement when I applied to him; he told me I was entirely too old to become a pupil. 'By the time you would really know how to paint,' said he, 'supposing you have any talent for it, you ought to be beginning to arrange your affairs to get ready to die.' Of course this admonition had no effect upon me, and I kept on with my drawing lessons. If I could not become a painter of eminence, I thought that at least I might be able, if I understood drawing, to become a better schoolmaster—if I should take up that profession again.
"One day Apelles said to me, after glancing at the drawing on which I was engaged: 'If you were ten years younger you might
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