There are two distinctive peculiarities by reference to which we characterize the soul (1) local movement and (2) thinking, discriminating, and perceiving. Thinking both speculative and practical is regarded as akin to a form of perceiving; for in the one as well as the other the soul discriminates and is cognizant of something which is.

Fine friendship requires duration rather than fitful intensity.

The beginning, as the proverb says, is half the whole.

Excellence is not an art. It is the habit of practice.

Quid quid movetur ab alio movetur"(nothing moves without having been moved).

Men acquire a particular quality by constantly acting in a particular way.

Thus then a single harmony orders the composition of the whole...by the mingling of the most contrary principles.