I too kept a log of my errors in the 1980's, hoping to become a better C programmer. I imagined that with careful enough reflection, I would never make the same

I too kept a log of my errors in the 1980's, hoping to become a better C programmer. I imagined that with careful enough reflection, I would never make the same mistake twice. I found the log many years later. Last entry: "Forgot to eat. Got sick."