Man, as an originator of action, is a union of desire and intellect.

We ought not to listen to those who exhort us, because we are human, to think of human things....We ought rather to take on immortality as much as possible, and do all that we can to live in accordance with the highest element within us; for even if its bulk is small, in its power and value it far exceeds everything.

It is our actions and the soul's active exercise of its functions that we posit (as being Happiness).

Anybody can get hit over the head.

He who cannot see the truth for himself, nor, hearing it from others, store it away in his mind, that man is utterly worthless.

Money was established for exchange, but interest causes it to be reproduced by itself. Therefore this way of earning money is greatly in conflict with the natural law.

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.