Because a thing is difficult for you, do not therefore suppose it to be beyond mortal power. On the contrary, if anything is possible and proper for man to do, assume that it must fall within your own capacity.

All that is from the gods is full of Providence.

Bear in mind that the measure of a man is the worth of the things he cares about. If it is good to say or do something, then it is even better to be criticized for having said or done it.

Think of all the years passed by in which you said to yourself "I'll do it tomorrow," and how the gods have again and again granted you periods of grace of which you have not availed yourself. It is time to realize that you are a member of the Universe, that you are born of Nature itself, and to know that a limit has been set to your time. Use every moment wisely, to perceive your inner refulgence, or 'twill be gone and nevermore within your reach.

From Apollonius I learned freedom of will and undeviating steadiness of purpose; and to look to nothing else, not even for a moment, except to reason.

Light may earth's crumbling sand be laid on thee, that dogs may dig thy bones up easily

It is a ridiculous thing for a man not to fly from his own badness, which is indeed possible, but to fly from other men's badness, which is impossible.