Man by nature wants to know.

To enjoy the things we ought and to hate the things we ought has the greatest bearing on excellence of character.

Jealousy is both reasonable and belongs to reasonable men, while envy is base and belongs to the base, for the one makes himself get good things by jealousy, while the other does not allow his neighbour to have them through envy.

Whether if soul did not exist time would exist or not, is a question that may fairly be asked; for if there cannot be someone to count there cannot be anything that can be counted, so that evidently there cannot be number; for number is either what has been, or what can be, counted.

Prayers and sacrifices are of no avail.

Whatsoever that be within us that feels, thinks, desires, and animates, is something celestial, divine, and, consequently, imperishable.

A state of the soul is either (1) an emotion, (2) a capacity, or (3) a disposition; virtue therefore must be one of these three things.