You are now, and you do become, what you think about.
Whenever we're afraid, it's because we don't know enough. If we understood enough, we would never be afraid.
The strangest secret in the world is that you become what you think about.
If you spend an extra hour each day of study in your chosen field you will be a national expert in that field in five years or less.
Every one of us is the sum total of his own thoughts
You can control your attitude. Set it each morning.