What Stoicism says about fear and anxiety
For the Stoics, fear is a judgement about the future: that something bad is coming and that you will not cope with it. They went after both halves. Some of their methods are gentle and some are deliberately uncomfortable, since they practised hunger and cold on purpose. Nine concepts follow, arranged roughly as a reader might actually use them.
Freedom from Anxiety
Anxiety needs two beliefs: that something bad can reach you, and that you could not handle it. The Stoic answer refuses both, since externals are not where your good sits and your judgement is always available.
Meditations, Book 8
What Is Up to Us
Epictetus divides everything into what is up to you — your judgements, intentions, wants and aversions — and what is not. Fear tends to live entirely on the far side of that line.
Enchiridion, 1
Indifference to Externals
Health, money and reputation are worth preferring, but they are not where wellbeing is held. That is what allows you to pursue them without dreading their loss.
Enchiridion, 8
Premeditatio Malorum
Seneca advises rehearsing loss, illness and death in advance, so that if they arrive they arrive as something already thought about. He treats it as preparation, not pessimism.
Letters to Lucilius, 1
Voluntary Discomfort
Stoics chose hunger, cold and hard beds on purpose. Having met the discomfort once by choice, you stop dreading it, and it loses its say over what you do.
Letters to Lucilius, 18
Courage in Adversity
Stoic courage is not bravado. It is reasoned endurance of what has to be endured, held up by the view that the only real disaster is moral failure.
Meditations, Book 12
Present Moment Focus
Fear lives in the future and regret in the past, and neither is up to you. Marcus Aurelius keeps calling himself back to the thing actually in front of him.
Meditations, Book 8
The Discipline of Desire
Train what you want and much of what you feared loses its grip. The entry is clear that this is gradual training, not a single decision made once.
Enchiridion
Obstacle as Opportunity
When something blocks the plan, the Stoic question is which virtue this situation now asks for. Illness asks for patience, loss for composure.
Meditations, Book 5
This is a demanding position, and its strength rests on accepting that externals are neither good nor bad. If you do not accept that, the arguments about fear lose much of their force. The practices survive on their own terms — the rehearsal, the cold water, the return to the present are usable whatever you make of the metaphysics.