It is 2 a.m. and you are running, for the fourth time, the conversation you should have had on Thursday. The version where you said the smarter thing. The version where they understood. By the time the sun comes up you have written, edited and rejected six different speeches you will never give to people who are no longer in the room.
Overthinking is rarely about thinking. It is the mind doing maintenance on situations that are already finished, or rehearsals for situations that may never happen.
The Bhagavad Gita has an old answer to this — older even than the Gita itself, in fact, because the most useful image here is borrowed from a slightly earlier text.
The chariot belongs to the Katha Upanishad
The famous metaphor of the self as a chariot is not original to the Gita. It comes from the Katha Upanishad (1.3.3–9), composed a few centuries earlier. The Gita inherits it. We name the source because the metaphor is the most-quoted image in this part of the tradition and it deserves correct attribution.
In the Katha Upanishad’s image:
- The chariot is the body.
- The horses are the senses, pulling toward whatever they want.
- The reins are the mind.
- The charioteer is the discriminating intellect — the part of you that can tell what matters from what merely flickers.
- The passenger is the self.
When the charioteer is awake and the reins are firm, the chariot goes where the passenger intends. When the charioteer is asleep, the horses run the trip.
Overthinking is what the trip looks like with the charioteer asleep. The senses pick up a stimulus — a memory, a notification, a worry — the mind picks up the signal, the body produces the cortisol, and you spend the next four hours reviewing a conversation from Thursday.
The Gita’s contribution
The Gita takes the Upanishadic image and adds a sharper claim, in Bhagavad Gita 6.5–6:
“Let a person raise the self by the self; let him not degrade the self. For the self alone is the friend of the self, and the self alone is its enemy. The self is the friend of the self for him who has conquered himself by the self; but for him who has not conquered himself, the self remains hostile, like an enemy.”
The same word — self — is used for both sides of the fight. The thing you’re at war with at 2 a.m. is the same thing waging the war. There is no external enemy in this passage, which is what makes the passage uncomfortable.
A few verses later, Arjuna pushes back. He tells Krishna in BG 6.34 that controlling the mind seems harder than restraining the wind.
Krishna does not deny this. He answers, in BG 6.35, that yes, the mind is hard to control — but it can be done by abhyāsa (repeated practice) and vairāgya (non-attachment).
That is the whole answer. Two words.
Abhyāsa: the part that is just reps
Abhyāsa is practice in the same sense an instrument is practiced. You will not stop overthinking by reading about overthinking, just as you will not learn the violin by reading about the violin. You will stop, slightly, by repeatedly noticing that you are doing it and gently returning your attention to where you wanted it to be. Then you will start again, because the mind is the mind. Then you will return again.
What modern mindfulness traditions call “noting” or “returning to the breath” is exactly this. The Gita predates the language but the mechanism is identical: catch, release, return. Catch, release, return. The number of repetitions required is large. There is no shortcut and the people who tell you there is are selling something.
Vairāgya: the part that is harder
Vairāgya is the deeper move, and it is what abhyāsa points at. Most overthinking is generated by attachment — to an outcome, an image of yourself, a version of how the conversation should have gone. The thoughts loop because the underlying clamp has not been loosened.
You can practice catching the thoughts forever, and unless the clamp loosens you will be catching the same thoughts forever.
Loosening the clamp is its own discipline, and we wrote about it here. For the purposes of 2 a.m., the practical version is this: ask, of whatever the mind is rehearsing, what specifically am I trying to control? Usually the answer is what someone else thinks of me or whether a particular outcome is going to happen. Both are outside your jurisdiction. Naming this — out loud if you have to — does not stop the thought. It does, sometimes, take the air out of it.
The smaller, useful thing to do tonight
Don’t try to conquer the mind. Krishna does not promise Arjuna conquest; he promises Arjuna a method. The method is to notice that the chariot is running, pick up the reins, and bring the horses back to the road. Then to do it again when they bolt, which they will.
That is not enlightenment. It is the work of a Tuesday at 2 a.m. The Gita’s claim is that the work is enough.