-The effort for self-preservation is nothing else but the essence of the thing in question (III. vii.), which, in so far as it exists such as it is, is conceived to have force for continuing in existence (III. vi.) and doing such things as necessarily follow from its given nature (see the Def. of Appetite, III.
Bere burua atxikitzeko ahalegina gauzaren beraren esentzia baizik ez da (3. Zat., 7. Prop. arab.) eta gauza hori, den bezala existitzen den aldetik, existitzen irauteko indarra duena bezala pentsatua da (3. Zat. 6. Prop. arab.) eta emana zaion izaeratik, nahitaez, datozen ekintzak egiteko indarra duena bezala (ikus Gurariaren Def. 3. Zat., 9. Prop.