Exhortation to Philosophy (Protrepticus)

Ζ Unique exhortations toward theoretical philosophy and, distinctively, the life according to the intellect, some from the nature of the true human being, others reminding us of this subject matter through things that are evident.
5 Η Reminders from common notions comforting the primarily desirable and desirable-for-its-own-sake nature of philosophy, and clearly advancing the exhortation from things known to all.
Θ An approach to exhortation from the intention of nature, according to the response of Pythagoras, which he gave to those in Phlius who asked who he is and for what purpose he came; for by following this, we reason through the whole exhortation.
14 Ι That theoretical wisdom provides great benefits for life, with multiple reminders and from many starting points, indicating various modes of utility and contributing to many ends of our own interests.
ΙΑ That for the one who has chosen the life according to the intellect, even rejoicing exists in a distinctive way.
ΙΒ An approach to exhortation toward the complete and true study of philosophy, from the fact that it leads to happiness in a complete and most effective manner.
ΙΓ Approaches to exhortation from the concepts regarding philosophy, according to Pythagorean hypotheses and true beliefs about the soul.
ΙΔ Starting points for exhortation from the life in philosophy and the entire life of the philosopher, demonstrating through comparison how much such an activity surpasses other lives that seem to be reputable.