Confession Thread: Mistakes as an aspiring rationalist

We looked at the cloudy night sky and thought it would be in­ter­est­ing to share the ways in which, in the past, we made mis­takes we would have been able to over­come, if only we had been stronger as ra­tio­nal­ists. The ex­pe­rience felt valuable and hum­bling. So why not do some more of it on Less­wrong?

An an­tithe­sis to the Brag­ging Thread, this is a thread to share where we made mis­takes. Where we knew we could, but didn’t. Where we felt we were wrong, but car­ried on any­way.

As with the re­cent group brag­ging thread, any­thing you’ve done wrong since the comet kil­led the dinosaurs is fair game, and if it hap­pens to be a sys­tem­atic mis­take that over long pe­ri­ods of time sys­tem­at­i­cally cur­tailed your po­ten­tial, that oth­ers can try to learn avoid­ing, bet­ter.

This thread is an at­tempt to see if there are ex­cep­tions to the cached thought that life ex­pe­rience can­not be learned but has to be lived. Let’s test this be­lief to­gether!