Convince me! Convincing people that they need what you’re selling is the essence of every successful business. It has nothing to do with whether your product/service is good, useful, etc.
Success There’s no such thing as a “successful life”, since every life ends up with death, thus, ultimately, being unsuccessful.
Success From the TV series “Numb3rs”: Success is not how far you’ve come, but where are you now, relative to your starting point.