Meditations by Marcus Aurelius Book 3 Page 21

Hasten therefore to an end, and giving over all vain hopes, help thyself in time if thou carest for thyself, as thou oughtest to do.

XVI. To steal, to sow, to buy, to be at rest, to see what is to be done

(which is not seen by the eyes, but by another kind of sight:) what these words mean, and how many ways to be understood, they do not understand. The body, the soul, the understanding. As the senses naturally belong to the body, and the desires and affections to the soul, so do the dogmata to the understanding.

XVII. To be capable of fancies and imaginations, is common to man and beast. To be violently drawn and moved by the lusts and desires of the soul, is proper to wild beasts and monsters, such as Phalaris and Nero were.