Synthetical principles could not be derived from mere concepts without intuition; on the contrary, they could only exist with reference to this intuition, and therefore to objects of possible experience, since it is the concepts of the understanding, united with this intuition, which alone make that knowledge possible which we call experience.
-Adigai soiletatik begiespenik gabe ezinezkoa zen esakune-oinarri sintetikoak izatea, baizik eta haiek sentimenezkoa den hari lotuta baino ezin daitezke sortu, eta beraz, esperientzia ahalgarriko objektuei lotuta, zeren adimenaren adigaiak soilik ahalbidetzen baitu, begiespen horrekin lotuta, esperientzia deitzen diogun ezagutza hura.