Seek not the good in external things;seek it in yourselves.

The essence of good and evil is a certain disposition of the will.

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.

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.

And have you not received faculties which will enable you to bear all that happens to you? Have you not received greatness of spirit? Have you not received courage? Have you not received endurance?

If you wish to be a writer, write.

You may fetter my leg, but Zeus himself cannot get the better of my free will.