There is a saying that bad traders divorce their spouse sooner than abandon their positions. Loyalty to ideas is not a good thing for traders, scient… - Nassim Nicholas Taleb

Mistakes are bad; defending them is worse. It's better for you to be the one correcting them than others. Being self-correcting is #antifragile.
A clear conscience is invaluable.

It certainly takes bravery to remain skeptical; it takes inordinate courage to introspect, to confront oneself, to accept one's limitations — Scientists are seeing more and more evidence that we are specifically designed by mother nature to fool ourselves.

To be completely cured of newspapers, spend a year reading the previous week’s newspapers.