Çö´ë ±×¸®½ºµµ±³ »ç»ó°ú ½ÇÁ¸»ç»óÀÇ ¼±±¸ÀÚ·Î Æò°¡¹Þ°í ÀÖ´Ù. "¿Â°® º»ÁúÀûÀÎ Áö½ÄÀº Á¸Àç¿Í °ü°è°¡ ÀÖ´Ù. ¶Ç´Â Á¸Àç¿Í º»ÁúÀû °ü°è°¡ ÀÖ´Â µíÇÑ Áö½Ä¸¸ÀÌ º»ÁúÀûÀÎ Áö½ÄÀÌ´Ù." "All essential knowledge relates to existence, or only such knowledge as has an essential relationship to existence is essential knowledge."