The past is already written. The ink is dry.
The moment you stop trying is the moment you start failing.
There's a real correlation between a society that tells people that they can do anything, and the existence of low self-esteem. So that's another way in which something quite positive can have a nasty kickback. There is another reason why we might be feeling more anxious --about our careers, about our status in the world today, than ever before. And it's, again, linked to something nice. And that nice thing is called meritocracy.
I always say you could publish my trading rules in the newspaper and no one would follow them. The key is consistency and discipline.