# Philosophical Investigations by Ludwig Wittgenstein

6 Hacker News commenters recommended Philosophical Investigations by Ludwig Wittgenstein and 0 criticized it, November 2025 to November 2026. It was recommended in 6 of 13 months.

**Verdict:** Recommended as a clear lens on how language works and a way to keep thinking clear about LLMs; people urge reading the book itself rather than summaries.

## Why people recommend it

- Clarifies how language is used (2 comments): "With the rest of his work (Philosophical Investigations in particular) it is a hugely useful lens through which to view and significantly better understand the use and function of language in all its forms." ([source](https://news.ycombinator.com/item?id=48231717)) "Id recommend that Hickey put down the dictionary and pick up Wittgenstein." ([source](https://news.ycombinator.com/item?id=50062434))
- Clears up confusion, keeps thinking clear (2 comments): "Later Wittgenstein is such a gift for keeping your head clear in the era of LLMs." ([source](https://news.ycombinator.com/item?id=49556619)) "this confusion will go away" ([source](https://news.ycombinator.com/item?id=45929544))
- Foundational work worth reading directly (2 comments): "only wrote 2 books and essentially invented one of the 3 branches of philosophy" ([source](https://news.ycombinator.com/item?id=49504502)) "Not a summary. Read the actual book, stew on it a bit, have some thoughts." ([source](https://news.ycombinator.com/item?id=49124872))

## Alternatives hackers recommend

- [Tao Te Ching by Laozi](https://hackerapproved.com/p/tao-te-ching-translated.md): 32 recommend
- [Zen and the Art of Motorcycle Maintenance by Robert Pirsig](https://hackerapproved.com/p/zen-and-the-art-of-motorcycle-maintenance.md): 24 recommend
- [Meditations by Marcus Aurelius](https://hackerapproved.com/p/meditations.md): 17 recommend
- [I Am a Strange Loop by Douglas Hofstadter](https://hackerapproved.com/p/i-am-a-strange-loop.md): 16 recommend
- [Simulacra and Simulation by Jean Baudrillard](https://hackerapproved.com/p/simulacra-and-simulation.md): 12 recommend

## Where to get it

- [See price on Amazon](https://www.amazon.com/dp/0024288101?tag=hackerapprove-20) (affiliate link)
- [Bookshop.org](https://bookshop.org/a/130825/9780024288103) (affiliate link)

## Cite as

Hacker Approved, "Philosophical Investigations by Ludwig Wittgenstein", https://hackerapproved.com/p/philosophical-investigations/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).