PhilosophyMarch 18, 2026·5 min read
The Four-Hour Rule
A working protocol for protecting the most under-priced skill of the next decade: sustained concentration.
Sachin Jha
Host · Decoding Wisdom
In a world that has fully priced in distraction, concentrated attention is the only asset most knowledge workers haven't learned to defend.
Sachin's four-hour rule is a protocol - not a tip - for buying back the kind of attention that pays compounding returns.
How it works, when it breaks, and the version Sachin's used since 2024.
"A working protocol for protecting the most under-priced skill of the next decade: sustained concentration."
- Sachin Jha
Decoded
If this landed, the newsletter will too.
A short letter every Tuesday with one idea worth sitting with.
- Sachin
Share this essay
