𝘉𝘶𝘦𝘯𝘢𝘴 , 𝘤𝘰𝘮𝘰 𝘢𝘯𝘥𝘢𝘯 ? , 𝘦𝘴𝘱𝘦𝘳𝘰 𝘲𝘶𝘦 𝘣𝘪𝘦𝘯 , 𝘳𝘦𝘴𝘶𝘭𝘵𝘢 𝘲𝘶𝘦 𝘦𝘴𝘵𝘰𝘺 𝘦𝘯 𝘶𝘯 𝘱𝘳𝘰𝘺𝘦𝘤𝘵𝘰 𝘮𝘶𝘺 𝘢𝘷𝘢𝘳𝘪𝘤𝘪𝘰𝘴𝘰 𝘫𝘢𝘫𝘢𝘫𝘢𝘫𝘴 , 𝘦𝘭 𝘤𝘢𝘴𝘰 𝘦𝘴 𝘲𝘶𝘦 𝘴𝘦 𝘮𝘦 𝘰𝘤𝘶𝘳𝘳𝘪𝘰 𝘩𝘢𝘤𝘦𝘳 𝘥𝘰𝘴 𝘧𝘢𝘯 𝘧𝘪𝘤𝘴 𝘮𝘢𝘴 𝘴𝘰𝘣𝘳𝘦 𝘔𝘏𝘈 , 𝘦𝘴𝘵𝘰𝘴 𝘵𝘰𝘮𝘢𝘳𝘰𝘯 𝘰𝘵𝘳𝘰 𝘳𝘶𝘮𝘣𝘰 𝘦𝘯 𝘥𝘪𝘧𝘦𝘳𝘦𝘯𝘵𝘦 𝘢 " 𝘦𝘯𝘵𝘳𝘦 𝘣𝘢𝘭𝘢𝘴 𝘺 𝘦𝘴𝘱𝘦𝘳𝘢𝘯𝘻𝘢𝘴 " , 𝘤𝘢𝘥𝘢 𝘶𝘯𝘰 𝘵𝘰𝘤𝘢𝘳𝘢 𝘶𝘯 𝘵𝘦𝘮𝘢 𝘥𝘪𝘧𝘦𝘳𝘦𝘯𝘵𝘦 𝘺 𝘵𝘦𝘯𝘥𝘳𝘢́𝘯 𝘶𝘯 𝘳𝘶𝘮𝘣𝘰 𝘥𝘪𝘧𝘦𝘳𝘦𝘯𝘵𝘦 . 𝘱𝘰𝘳 𝘢𝘩𝘰𝘳𝘢 𝘺𝘢 𝘵𝘦𝘯𝘨𝘰 𝘭𝘰𝘴 𝘵𝘪́𝘵𝘶𝘭𝘰𝘴 𝘺 𝘣𝘢𝘯𝘯𝘦𝘳𝘴 , 𝘴𝘰𝘭𝘰 𝘮𝘦 𝘧𝘢𝘭𝘵𝘢 𝘦𝘴𝘤𝘳𝘪𝘣𝘪𝘳 , 𝘴𝘪 𝘮𝘪𝘴 𝘤𝘢́𝘭𝘤𝘶𝘭𝘰𝘴 𝘯𝘰 𝘮𝘦 𝘧𝘢𝘭𝘭𝘢𝘯 , 𝘭𝘭𝘦𝘨𝘢𝘳𝘪𝘢 𝘢 𝘦𝘴𝘤𝘳𝘪𝘣𝘪𝘳 𝘥𝘰𝘴 𝘦𝘱𝘪𝘴𝘰𝘥𝘪𝘰𝘴 , 𝘶𝘯𝘰 𝘥𝘦 𝘤𝘢𝘥𝘢 𝘶𝘯𝘢 , 𝘺 𝘴𝘪 𝘵𝘦𝘯𝘨𝘰 𝘮𝘢𝘴 𝘵𝘪𝘦𝘮𝘱𝘰 𝘦𝘴𝘤𝘳𝘪𝘣𝘪𝘳𝘪𝘢 3 , 𝘶𝘯𝘰 𝘥𝘦 𝘤𝘢𝘥𝘢 𝘶𝘯𝘢 , 𝘢 𝘭𝘢 𝘴𝘦𝘮𝘢𝘯𝘢 , 𝘰𝘴𝘦𝘢 𝘱𝘰𝘳 𝘴𝘦𝘮𝘢𝘯𝘢 𝘴𝘢𝘤𝘢𝘳𝘪𝘢 𝘶𝘯 𝘦𝘱𝘪𝘴𝘰𝘥𝘪𝘰 𝘥𝘦 𝘤𝘢𝘥𝘢 𝘶𝘯𝘢 . 𝘢 𝘤𝘰𝘯𝘵𝘪𝘯𝘶𝘢𝘤𝘪𝘰́𝘯 𝘭𝘦𝘴 𝘥𝘦𝘫𝘢𝘳𝘦 𝘭𝘰𝘴 𝘣𝘢𝘯𝘯𝘦𝘳 𝘺 𝘭𝘰𝘴 𝘵𝘪𝘵𝘶𝘭𝘰𝘴 , 𝘱𝘰𝘳 𝘧𝘢𝘷𝘰𝘳 𝘮𝘦 𝘢𝘺𝘶𝘥𝘢𝘳𝘪𝘢 𝘲𝘶𝘦 𝘳𝘦𝘤𝘰𝘮𝘪𝘦𝘯𝘥𝘦𝘯 𝘺 𝘥𝘦𝘯 𝘦𝘴𝘵𝘳𝘦𝘭𝘭𝘪𝘵𝘢𝘴 𝘢 𝘮𝘪𝘴 𝘩𝘪𝘴𝘵𝘰𝘳𝘪𝘢𝘴 , 𝘮𝘶𝘤𝘩𝘢𝘴 𝘨𝘳𝘢𝘤𝘪𝘢𝘴 𝘭𝘰 𝘲𝘶𝘪𝘦𝘳𝘰𝘰 \(@ ̄∇ ̄@)/