All these, of which the common name is science, proceed according to the principle of sufficient reason in its different forms, and their theme is always the phenomenon, its laws, connections, and the relations which result from them.
Horiek guztiek, zeinen izen komuna zientzia baita, arrazoiaren printzipioari erantzuten diote bere taxuera desberdinetan, eta horien gaia agerpena da, horren legeak, lotura eta horretatik sortzen diren harremanak.