Excellence is not a skill. It is an attitude.
There are plenty of difficult obstacles in your path. Don't allow yourself to become one of them.
The value of an ambitious goal is not measured by what it will bring to you. The worth of a goal is measured by what it will make of you in the process of following and attaining it.
The real person you are is revealed in the moments when you're certain no other person is watching. When no one is watching, you are driven by what you expect of yourself.
Sure, it's easy to be upbeat when everything is going your way. Anyone can do that. It is far more important, however, to take a positive approach in circumstances that most people would view as negative.
What you do today can improve all your tomorrows.
There is a thought in your mind right now. The longer you hold on to it, the more you dwell upon it, the more life you give to that thought. Give it enough life, and it will become real. So make sure the thought is indeed a great one.