Paul Graham Canon
Essay deep-dives for founder judgment — not a checklist OS.
Paul Graham’s load-bearing essays rebuilt as working chapters: ideas, schlep, users, growth, default alive, mistakes, fundraising, psychology. Modern cases and decision trees, with notes naming the one idea to pull from each original URL.
From paulgraham.com. This is judgment training — read the cited essay when the idea matters, then run the practice. For a short habit OS, use YC OS; for a lecture sequence, use HTSaS.