Cebes, The Greek Pilgrim's progress. Generally known as the Picture… (1st century)
“ I assure you that we are most anxious to understand the meaning of this symbol!''With pleasure, Strangers!' said he. 'But first you must hear that such an explanation is not without its very real dangers.''How so?' cried we all.'Should you,' said he, 'understand and assimilate what I should say, you shall become wise and happy; but if not, you will live badly, having become foolish, unfortunate, bitter, and ignorant.'For the explanation is not unlike the Sphinx's Riddle, that he propounded to all men. Whoever solved it was saved; but destruction by the Sphinx overtook those who could not. ”
