Everything that exists is in a manner the seed of that which will be.

In death, Alexander of Macedon's end differed no whit from his stable-boy's. Either both were received into the same generative principle of the universe, or both alike were dispersed into atoms.

Remember that very little is needed to make a happy life.

It will suffice thee to remember as concerning pain ... that the mind may, by stopping all manner of commerce and sympathy with the body, still retain its own tranquility.

Nothing that goes on in anyone else's mind can harm you.

One of the recurring themes in Marcus' handbook is leadership's responsibility to work intelligently with what it is given and not waste time fantasizing about a world of flawless people and perfect choices.

The impediment to action advances action. What stands in the way becomes the way.