MORE IDEAS FROM THE ARTICLE
These are some of the common ways we habitually deal with the uncertainty of a decision. But none of them solve the problem for us:
... that that will lead to greater decisiveness:
Being mediocre can make us make an incorrect judgment of other people, trusting someone that can harm us, or shunning someone who might be a great person. We still do ok, with our average judgement.
Being mediocre doesn't mean you won't be great or able to change the world. It is about being honest, sensitive and authentic at every level.