Whoever is going to listen to the philosophers needs a considerable practice in listening.

Some things are up to us [eph' hêmin] and some things are not up to us. Our opinions are up to us, and our impulses, desires, aversions–in short, whatever is our own doing. Our bodies are not up to us, nor are our possessions, our reputations, or our public offices, or, that is, whatever is not our own doing.

First tell yourself what you want to be, then do what you need to do.

It is impossible for a man to learn what he thinks he already knows.

Nothing outside the will can hinder or harm the will; it can only harm itself. If then we accept this, and, when things go amiss, are inclined to blame ourselves, remembering that judgment alone can disturb our peace and constancy, I swear to you by all the gods that we have made progress.

What matters most is what sort of person you are becoming. Wise individuals care only about whom they are today and who they can be tomorrow.

Getting distracted by trifles is the easiest thing in the world… Focus on your main duty