We almost have to force or drive ourselves to work hard if...

We almost have to force or drive ourselves to work hard if we are to reach our potential. If we don't enjoy what we do, we won't be able to push as hard as we need to push for as long as we need to push to achieve our best. However, if we enjoy what we do and if we're enthusiastic about it, we'll do it better and come closer to becoming the best we can be.