An earlier version of Mark Zuckerberg’s 6,000-word manifesto for Facebook revealed his belief that artificial intelligence could one day be used to monitor private messages for terrorists scheming an attack.

The text eventually published by Zuckerberg on Thursday did detail how Facebook is using AI today to flag terrorist propaganda in public posts. However, as spotted by Mashable, Zuckerberg cut out a key line outlining his vision that AI could be used in future to prevent terrorist attacks and online bullying by monitoring private channels.