No one who is in a state of fear or sorrow or tension is free, but whosoever is delivered from sorrows or fears or anxieties is at the same time delivered from servitude.

Only the educated are free.

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

There is but one way to tranquility of mind and happiness, and that is to account no external things thine own, but to commit all to God.

I must die. Must I then die lamenting? I must be put in chains. Must I then also lament? I must go into exile. Does any man then hinder me from going with smiles and cheerfulness and contentment?

Within our control are our own opinions, aspirations, and desires and the demons that distract us from these goals. Outside of our control are such things as what kind of body we have, whether or not we are born into wealth, and how we are regarded by others.

Freedom isn't the right or ability to do whatever you please. Freedom comes from understanding the limits of our own power and the inherent limits set in place by nature. By accepting life's limits and inevitabilities and working with them rather than fighting them, you become truly free.