‘Death’ is the second most common fear among people. The first is now ‘Failure’.
We’ve all heard motivational speeches about failure. Thomas Edison conducted over a thousand failed experiments before he finally completed the light bulb. Denzel Washington received a lot of rejections after auditioning for dozens of plays and movies before getting a role.
These are grand, obvious examples that successful people can delineate in hindsight.
Fear of failure keeps you in your comfort zone. It prevents you from doing anything your brain thinks is risky