4. Fourthly, It follows, also, from what is above observed, that our RATIONAL KNOWLEDGE cannot reach to the whole extent of our ideas: because between two different ideas we would examine, we cannot always find such mediums as we can connect one to another with an intuitive knowledge in all the parts of the deduction; and wherever that fails, we come short of knowledge and demonstration.
4. Laugarrenik, aurrean azterturikotik segitzen da gure ezagutza arrazionalak ezin duela hartu gure ideien hedadura guztia, zeren aztertu nahi genituzkeen bi ideia ezberdinen artean ezin izanen baikenituzke beti aurkitu ezagutza intuitiboz dedukzioaren atal guztietan bata bestearekin lot genitzakeen beste bitarteko ideia batzuk, eta hau falta zaigun guztian, labur geratuko gara ezagutzan eta frogapenean.