Psychologia Empirica

future ages will dedicate that which, aided by Your favor, it is granted to me to complete, which I have long pondered in my mind: that vast work of philosophy, of which the fifth volume now comes forth into the public light. I experience daily the to-be-esteemed effects of that highest grace, most profitable, indeed especially necessary, for continuing so arduous a work, which I have undertaken. For as often as I contemplate Your clemency toward me, MOST CLEMENT PRINCE, so often do I feel my languishing strength restored and spirit added to me to overcome, by unremitting labor, every obstacle that is thrown in the way. It was, therefore, my duty, MOST SERENE PRINCE, to venerate Your favor toward me with public worship and, for the memory of posterity,