y = f(x) + ε: how to get what you want in a world that owes you nothing
a book I wrote in 2026, under the initials adb. 354 pages. free, no sign-up.
the pdf link is comingv0.4 · 8.7 MB · 2026-10-20
contents
part one · the philosophy
1Nobody Gave You a Purpose3
2Pick What You Want23
3Everything Has a Cause45
4Nothing Is Free67
5How to Find f77
6Change the Rules99
7Nature Has No Courts113
8Right Isn’t the Same as Real123
9Luck131
part two · the method, applied
10The Body151
11Other People189
12Wealth219
13The Business249
14Hair291
15Skill and Mastery313
closing
16I Reserve the Right to Change My Mind329
Appendix335
versions
2026-10-20v0.4full first draft
every version stays downloadable. changes between versions go in the log.