Mental Wellness
10 min read

How to Stop Overthinking: Ancient Wisdom for the Modern Mind

Overthinking keeps you stuck in loops of anxiety and indecision. Here's what Stoic and Buddhist philosophers discovered about breaking free from mental spirals.

Sage Team
Philosophy Guides
March 25, 2024

The Overthinking Trap

Your mind is supposed to solve problems. But somewhere along the way, it started creating them.

You replay conversations that already happened. You rehearse ones that might never happen. You analyze decisions you've already made. You worry about outcomes you can't control. The mental chatter never stops.

This isn't a modern problem. Marcus Aurelius, ruling the Roman Empire two thousand years ago, wrestled with the same thing:

"Never let the future disturb you. You will meet it, if you have to, with the same weapons of reason which today arm you against the present."

The ancient philosophers didn't have a word for "overthinking," but they understood the mechanism: a mind that won't stay in the present, constantly projecting into futures that don't exist or revisiting pasts that can't be changed.

Here's what they figured out about stopping it.

Why Your Brain Overthinks

First, understand that overthinking isn't a character flaw. It's a feature that's misfiring.

Your brain evolved to anticipate threats. Imagining what could go wrong kept your ancestors alive. The problem is that the same system that scanned for lions now scans for social rejection, career failure, and awkward silences.

Buddhism calls this the "monkey mind"—constantly swinging from thought to thought, never settling. The Stoics called it being "disturbed by impressions"—reacting to mental images as if they were reality.

Both traditions recognized: the thoughts feel urgent, but they're not. Your brain is treating hypotheticals as emergencies.

The Stoic Approach: Question the Thought

Marcus Aurelius developed a technique that modern cognitive therapy would reinvent centuries later: examining whether your thoughts are actually true.

When you catch yourself spiraling, ask:

"Is this in my control?"

Most overthinking involves things outside your control—other people's opinions, future outcomes, past events. The Stoics were blunt: spending mental energy on things you can't influence is irrational. Not morally wrong, just ineffective.

"Is this happening now?"

Usually the answer is no. You're worried about something that might happen, or replaying something that already did. Neither exists in this moment.

"What would a wise person do?"

This shifts you from ruminating to deciding. Epictetus suggested imagining how someone you respect would handle the situation. Often, they'd either take action or let it go—not spin in circles.

The Buddhist Approach: Watch the Thought

Buddhism takes a different angle. Instead of arguing with thoughts, you observe them.

The practice is simple: when you notice overthinking, don't try to stop it. Just label it. "There's worry." "There's planning." "There's replaying."

This creates distance. You're no longer fused with the thought—you're watching it. The thought is no longer "I'm going to fail" but "there's a thought about failure."

This sounds subtle. It's actually profound. Most suffering comes not from thoughts themselves but from believing we are our thoughts. The moment you can observe a thought, you've proven you're separate from it.

Practical Techniques That Actually Work

1. The Two-Minute Rule

When you catch yourself overthinking, ask: "Can I do something about this in the next two minutes?"

If yes, do it. Send the email. Make the call. Take the action.

If no, acknowledge that you're worrying about something that doesn't require immediate attention, and redirect.

This sounds simple because it is. Overthinking often masquerades as productivity—"I'm working on this problem!"—but it's actually avoidance of either action or acceptance.

2. Scheduled Worry Time

This counterintuitive technique comes from modern psychology but aligns with ancient wisdom: designate a specific time to worry.

When anxious thoughts arise outside that time, note them and defer. "I'll think about this at 6 PM." Then actually do it—sit down and worry deliberately for 15 minutes.

What happens is revealing. Often by 6 PM, the worry has dissolved. And when you do sit down to worry, you realize how circular and unproductive the thoughts are when you're not ambushed by them.

3. Physical Interruption

Both Stoics and Buddhists recognized that the mind and body are connected. When you're stuck in mental loops, physical action breaks the pattern.

Cold water on your face. A short walk. Ten push-ups. Deep breaths. These aren't distractions—they're pattern interrupts. They bring you back to physical reality and give your nervous system something concrete to process.

4. Write It Down

Marcus Aurelius journaled every night. There's something about putting thoughts on paper that externalizes them. They stop bouncing around your skull and sit there, visible, where you can examine them.

Write down what you're overthinking about. Then write down:

  • What you can actually do about it
  • What you can't control
  • What you're afraid will happen
  • What you'd tell a friend in the same situation

Often the act of writing reveals how distorted the thoughts are.

The Deeper Pattern

Here's what the philosophers understood that we often miss: overthinking is usually about control.

We replay past conversations to figure out what we should have said—as if we could change it. We rehearse future scenarios to prepare for every possibility—as if we could prevent uncertainty. We analyze others' behavior to predict what they'll do—as if we could manage their responses.

The uncomfortable truth is that control is mostly an illusion. You can influence things, but you can't guarantee outcomes. Overthinking is an attempt to create certainty where none exists.

The Stoics and Buddhists both arrived at the same conclusion: peace comes from releasing the need for control, not from achieving it.

When Overthinking Is Actually Useful

To be fair: some thinking is necessary.

Planning has value. Reflection has value. Analyzing problems to find solutions has value.

The difference between productive thinking and overthinking:

  • Productive thinking moves toward a conclusion or action
  • Overthinking circles without resolution
  • Productive thinking feels engaged
  • Overthinking feels anxious
  • Productive thinking has an end point
  • Overthinking could go on forever

If you're genuinely problem-solving, you'll reach an answer or realize you need more information. If you're overthinking, you'll keep chewing on the same material without progress.

Starting Today

You won't stop overthinking overnight. You've been practicing it for years. But you can start interrupting the pattern.

Today, when you notice your mind spiraling:

  • Pause and label it: "This is overthinking"
  • Ask: "Is this in my control? Is it happening now?"
  • If action is possible, take it. If not, redirect attention to something present—your breath, your surroundings, a task in front of you.

This won't work perfectly. You'll get pulled back into the spiral. That's normal. The practice is in the return—noticing you've drifted and coming back.

Marcus Aurelius, with all his wisdom and discipline, still struggled with his mind. That's why he wrote reminders to himself. He knew the battle was ongoing.

But it does get easier. The patterns loosen. The spirals shorten. You spend less time in your head and more time in your life.

That's not a cure for overthinking. It's something better: a way to live with a busy mind without being controlled by it.

Continue Your Journey

Ready to explore this wisdom more deeply? Have a personal conversation with Marcus Aurelius and receive guidance tailored to your situation.

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How to Stop Overthinking: Ancient Wisdom for a Calmer Mind | Sage