The Stoics did not journal to record their feelings or to manifest anything. They wrote to rehearse. The goal was to practice seeing events clearly before life tested them, and to review afterward where their judgment had slipped. Marcus Aurelius's Meditations is the most famous surviving example: a set of private notes, written in Greek and probably never meant for publication, in which an emperor reminds himself again and again how he wants to think.
Seneca describes a similar habit in On Anger (Book 3). He says that each night, once the lamp is out and his wife has gone quiet, he examines his whole day, going back over what he did and said, hiding nothing from himself. He credits the practice to an earlier philosopher, Sextius, who would ask himself before sleep: what bad habit did I cure today, what fault did I resist, in what way am I better?
The prompts below follow that rhythm: a few for the morning, a few for moments of pressure, and a set for the evening review. They are meant to be answered briefly and honestly. Three sentences written with attention will do more than three pages written on autopilot.
The core idea behind every prompt
Nearly every Stoic exercise rests on one distinction, stated in the first line of Epictetus's Enchiridion: some things are up to us and some are not. Our judgments, intentions and actions are up to us. Other people's opinions, our reputation, our health and most outcomes are not fully in our control. The Stoics weren't saying outcomes don't matter. They were saying that peace and good character come from putting your effort where your agency actually is.
Keep that distinction in mind as you write. When a prompt leaves you stuck, ask: which part of this is mine?
Morning preparation (prompts 1–7)
Marcus opens Book 2 of the Meditations by warning himself that during the day he will meet people who are meddling, ungrateful, arrogant and dishonest, and then reminding himself that they act this way out of ignorance, and that he can't be harmed by them unless he chooses to be. It is a striking way to start a day: not with affirmations but with realistic expectations.
- What is likely to go wrong today, and how do I want to respond if it does? Name one specific friction: a meeting, a commute, a difficult relative.
- Which of today's tasks are fully in my control, and which depend on others? Write two short lists.
- What would I do today if I cared more about acting well than about how it turns out?
- Who might test my patience today, and what might they be dealing with that I can't see?
- What is one thing I'm tempted to avoid today that I already know I should face?
- If this were the last ordinary day I had with the people around me, what would I make sure to do? This is a gentle version of the Stoic reflection on mortality, memento mori, which was meant to sharpen attention rather than to depress.
- What virtue do I most want to practice today: honesty, patience, courage, or moderation? Pick one, and name where you'll practice it.
In the moment (prompts 8–13)
These are for a pocket notebook or a phone note when something has just gone wrong. Their job is to create a pause between the event and your reaction. Epictetus taught that people are disturbed not by things themselves but by their judgments about things (Enchiridion 5). The moment prompts help you catch the judgment before it hardens.
- What exactly happened, described as a neutral camera would record it? Strip out adjectives.
- What story am I telling myself about what it means?
- Is that story certain, or just the first one that came to mind?
- What is the next action available to me that I would respect tomorrow?
- Will this matter in a week? In a year? Not to dismiss it, but to size it.
- What would someone I admire do in the next five minutes? Seneca recommended choosing a person of good character and imagining them watching you. Marcus did something similar, listing the qualities he learned from his teachers in Book 1.
Evening review (prompts 14–21)
This is the heart of the practice and the part people skip first. Keep it short enough that you'll actually do it when you're tired. Seneca's version wasn't harsh self-criticism; he talks about reviewing his day and then speaking to himself as he would to a friend who had made the same errors.
- Where did I act well today, even in a small way? Start here so the review stays honest rather than punishing.
- Where did my judgment slip, and what was I believing at that moment?
- What did I treat as in my control that wasn't, or as out of my control that was?
- What did I spend energy worrying about that never happened?
- Whom did I treat as an obstacle instead of a person?
- What would I do differently if today ran again tomorrow? Make it one concrete change.
- What am I grateful for that I would miss if it were gone? Seneca writes about rehearsing loss so we value what we have while we have it.
- What is one sentence I want to remember from today? Over months, these sentences become your own small book of meditations.
How to make the practice stick
Keep it small. Two morning prompts and three evening ones are plenty. A daily habit you keep for a year beats an elaborate one you abandon after a week. We go deeper on that in Building a Reflection Habit That Survives Busy Seasons.
Rotate, don't recite. Answering the same question every day turns into ritual. Work through the list over a week, or choose the prompt that fits what happened.
Look back monthly. Read your one-sentence summaries at the end of each month. Patterns show up that you won't notice day to day: the same person keeps rattling you, the same task keeps getting postponed.
Read the sources. Short, steady reading of the originals keeps the practice anchored in what the Stoics actually said rather than in internet slogans. Gregory Hays's translation of the Meditations (Modern Library) is very readable; our guide to reading Meditations without cosplay Stoicism suggests how to approach it.
A note on what journaling can and can't do
Research on expressive writing, beginning with James Pennebaker and Sandra Beall's work in the 1980s, suggests that putting difficult experiences into words can help some people process them. Stoic journaling borrows a similar mechanism, but it is a tool for clearer thinking, not a treatment. If writing brings up distress that doesn't ease, talk to someone you trust or a licensed professional.
Start tonight
Use the ArborSage journal or a plain notebook. Tonight, answer prompts 14, 15 and 21. Tomorrow morning, answer prompt 1. That is the whole practice in miniature: prepare, act, review, and try again with a little more clarity than yesterday.