•Why it earns a slot
Nearly every founder cites it and few reread it. The whole argument fits in four lines.
Startups do not take off by themselves; the founders push, by hand. Recruit users one at a time, deliver service that cannot possibly scale yet, and treat the unscalable work as the education that produces the growth that eventually does scale.
This distillation is written from the freely available original, which is always the better read when you have the time: paulgraham.com.