... it is the great master-key, which unlocks every door of knowledge, and without which no discovery - no discovery which deserves the name, which is law and not isolated fact - has been or ever can be made.
... ito ay ang mga dakilang master-key, na unlocks bawat pinto ng kaalaman, at walang na walang diskubre - walang diskubre kung saan deserves ang pangalan, na kung saan ay batas at hindi ilang katotohanan - ay na-o kailanman ay maaaring gawin.