I've been wrong about a lot of things in my life. Since I've discovered all the things I was wrong about, I've since developed a slightly increased degree of epistemic humility. I'm trying to be a more rational person (rational in the Elizier Yudkowsky sense), but I'm really not much better than I used to be.
A couple of examples:
To be honest, I wish I'd realized that I was wrong about all these things a lot earlier, but at least I eventually did come around.
people I admire
Bret Easton Ellis