2878. Countless causes exist as the origin and the reason for a person's love of learning what is true and willing what is good. Very many have a worldly origin and also very many have a bodily origin; and sometimes it is not heaven, still less the Lord, that is the reason. Man is thus introduced by the Lord into truth and good by means of affections, one person in an entirely different way from another, each one according to his innate and acquired disposition. And since he is introduced into truth and good constantly by means of affections, and so constantly by means of the freedom he has, and is at length introduced into affections for spiritual truth and spiritual good, the Lord alone knows those times and those states, and He alone organizes and governs them as is appropriate to the inclination and life of the individual. From this it is evident why man possesses freedom.