Thus all investigations of these relations and connections lead back to his body, and consequently to his will. Since it is the principle of sufficient reason which places the objects in this relation to the body, and, through it, to the will, the one endeavour of the knowledge which is subject to this principle will be to find out the relations in which objects are placed to each other through this principle, and thus to trace their innumerable connections in space, time, and causality.
Zeren banakoak bere soina objektuen arteko objektu gisa aurkitzen baitu, zeinekiko guztiekiko askotariko harreman eta jarrerak baititu arrazoiaren printzipioaren arabera, zeinen kontsiderazioak horrela beti bide hurbil edo urrunagoko batetik bere soinera, horrela bere nahimenera itzularazten baitu.