The act of simply considering that a fraction of criticism may be accurate will keep you learning, unlearning, fixing, tweaking, and generating new ideas and methods towards success.
There are plenty of things in life that are scary but not dangerous and vice versa. Looking at your life through this mental framework can help you make some big decisions and take a calculated risk instead of an impulsive one.
Make reversible decisions quickly and irreversible ones deliberately. So ask yourself: "Is this decision I'm about to make reversible or irreversible?"