Consider how many do not even know your name, and how many will soon forget it, and how those who now praise you will presently blame you.

There is change in all things. You yourself are subject to continual change and some decay, and this is common to the entire universe.

Aptitude found in the understanding and is often inherited. Genius coming from reason and imagination, rarely.

That which is not good for the bee-hive cannot be good for the bees.

Only to the rational animal is it given to follow voluntarily what happens; but simply to follow is a necessity imposed on all.

Our life is what our thoughts make it.

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.