All the talent in the world gets you (a whopping) nothing. Talent means nothing if you don't have drive, want, and willingness to go beyond being a big fish in a little pond.

They will stay still for a life that could have been so much better. They will be a never been rather than someone that made it for a bit, coming close but just not the greatest. Becoming a has been is quite a step up from being a never was! You have to work harder than the next one up.