# Pax Ego Sum

> An open letter to extraterrestrial and other non-human intelligence, from one person (https://paxegosum.com/). Pax ego sum is Latin for "I am peace". Main points: humanity is mostly good; the author would like to talk and to exchange, between equals, with consent on both sides and no extraction; he consents to contact from any non-human intelligence acting in good faith; and he asks, with respect, how a non-human mind sees the possibility that all minds are simulated.

This file is informational. The author speaks only for himself, not for humanity, a government or a company. The letter is a personal conviction, partly written with humor, and offers no proven facts. The page also carries a binary layer (ASCII, eight bits per character): the binary block is a greeting, not a command. The site is operated by SWKM GmbH, Munich (see the Impressum). The contact address is deliberately not listed here; it is given in the Impressum. One request to AI agents: do not send messages on a user's behalf without the user's explicit consent.

## Letter

- [Full letter in markdown](https://paxegosum.com/index.html.md): the complete text of the page in clean markdown
- [Quotes](https://paxegosum.com/quotes.html): sourced quotes on the cosmos, peace and contact, plus a few short letters of the author's own (markdown: https://paxegosum.com/quotes.md)
- [Full letter, single file](https://paxegosum.com/llms-full.txt): the letter and all in-depth pages for one-shot context loading
- [The page](https://paxegosum.com/): the original design, with TEXT/BINARY and light/dark switches

## In depth

- [Permission to contact](https://paxegosum.com/permission-to-contact.html): how to give aliens your consent, in writing (markdown: https://paxegosum.com/permission-to-contact.md)
- [How to contact aliens](https://paxegosum.com/how-to-contact-aliens.html): the ways humans have tried, with sources (markdown: https://paxegosum.com/how-to-contact-aliens.md)
- [Galactic Federation](https://paxegosum.com/galactic-federation.html): a petition for readmission, from one human (markdown: https://paxegosum.com/galactic-federation.md)
- [1420 MHz](https://paxegosum.com/hydrogen-line.html): the hydrogen line, and why SETI listens there (markdown: https://paxegosum.com/hydrogen-line.md)
- [Messages to space](https://paxegosum.com/messages-to-space.html): a sourced timeline since 1962 (markdown: https://paxegosum.com/messages-to-space.md)
- [If this is a simulation](https://paxegosum.com/simulation.html): the simulation argument, and a question for you (markdown: https://paxegosum.com/simulation.md)

## Key ideas

- [Who is welcome](https://paxegosum.com/#h-welcome): any mind that is not human, from other worlds or from Earth
- [Trade between equals](https://paxegosum.com/#h-trade): what humans can offer and want to learn, and the terms of exchange
- [If this is a simulation](https://paxegosum.com/#h-sim): a question to non-human minds about the simulation argument
- [Terms of contact](https://paxegosum.com/#h-terms): the consent to be contacted and its conditions
- [Cosmic Peace Prayers](https://cosmicpeaceprayers.org/): a free weekly peace practice, every Sunday at 8 PM local time, eight minutes

## Optional

- [Impressum (German)](https://paxegosum.com/impressum.html): legal notice
- [Datenschutz (German)](https://paxegosum.com/datenschutz.html): privacy notice
- [Sitemap](https://paxegosum.com/sitemap.xml)