As everything in Nature has its forces and qualities, which react in a definite way when definitely affected, and constitute its character, man also has his character, from which the motives call forth his actions with necessity.
Naturako gauza orok bere indarrak eta kualitateak dituen bezala, inpresio determinatu batzuekiko determinatuki erreakzionatu eta bere karakterra eratzen dutenak, horrela badu bere karakterra ere, zeinatik bere egintzaren motiboak sortzen baitira, beharrezkotasunarekin.