Once upon a time, there were a hundred idiots who all set out to become rich by doing idiotic things. Ninety-nine of them soon failed and were never heard of again, but the 100th, by pure luck, became very wealthy. He then started a lucrative second career as a motivational speaker, telling people how they too could get rich quickly.
The logical error at work here is called survivor bias and fortunes have been made from exploiting it. But you cannot weigh up your chances of success on an 'it worked for me' or 'it worked for someone I know' basis alone. You also have to know how many others tried the same thing and failed.
Persistence can be a good thing if it is persistence towards an end, rather than persistence with a course of action. Thomas Edison famously needed 3,000 experiments to develop the lightbulb, but they were all different, not the same experiment repeated 3,000 times.
Even so, persistence isn't all it's cracked up to be: if you have sent your book to even 10 publishers and not had an offer, you might do better to stop and think about whether you are approaching the right people, or whether you need to come up with a better book.
If I invent a round peg, but find that the world is full of square holes, I can either try to think of ways to force the round peg into a square hole - or make a square peg ...
- Alastair Dryburgh is chief contrarian at Akenhurst Consultants. Read more at dontyoubelieveitblog.com