Found 1 comment on HN
Animats · 2016-06-14 · Original thread
This sort of thing has been around for a long time. See "The Power of Positive Thinking" (1952), by Norman Vincent Peale.[1]

The short version: "Insecure", by Joan Jett.[2]

The century-old version: YMCA Salesmanship Training Manual, 1920.[3]

[1] [2] [3]

Get dozens of book recommendations delivered straight to your inbox every Thursday.