A soul which is conversant with virtue is like an ever flowing source, for it is pure and tranquil and potable and sweet and communicative (social) and rich and harmless and free from mischief.

We ought to flee the friendship of the wicked, and the enmity of the good.

Try not to react merely in the moment. Pull back from the situation. Take a wider view. Compose yourself.

Learn to distinguish what you can and can't control. Within our control are our own opinions, aspirations, desires and the things that repel us. They are directly subject to our influence.

In a word, neither death, nor exile, nor pain, nor anything of this kind is the real cause of our doing or not doing any action, but our inward opinions and principles.

Any person capable of angering you becomes your master.

Authentic happiness is always independent of external conditions.