At a young age, John Milton was convinced that he was destined for greatness. He thought that he "might perhaps leave something so written to aftertimes as they should not willingly let it die"(Text 414). For this reason he thought that his life was very important to himself and to others. He often wrote directly about himself, and he used his life experiences as roots for his literature. In Paradise Lost and in a sonnet entitled "On His Blindness," Milton speaks indirectly and directly of his loss of vision. Also in Paradise Lost, he us ....