The speculative restriction of pure reason and its practical extension bring it into that relation of equality in which reason in general can be employed suitably to its end, and this example proves better than any other that the path to wisdom, if it is to be made sure and not to be impassable or misleading, must with us men inevitably pass through science; but it is not till this is complete that we can be convinced that it leads to this goal.
Arrazoimen hutsaren murriztapen espekulatiboak eta horren zabalpen praktikoak arrazoimena berdintasun erlazio batera ekartzen dute, non arrazoimena oro har bere xedeari begira erabil daitekeen, eta adibide horrek frogatzen du beste edozeinek baino hobeto jakituriarako bideak, segurua bihurtuko bada eta ez ibiltezina edo nahasgarria, gizakiongan ezinbestean jakintza zeharkatu behar duela, baina horrek helburu hartara eramango gaituela, nahiz eta horretaz bidea osatzean baino ezingo garen konbentzitu.