High achievement always takes place in the framework of high expectation.
Believe and act as if it were impossible to fail.
Keep on going and the chances are you will stumble on something, perhaps when you are least expecting it. I have never heard of anyone stumbling on something sitting down.
Our imagination is the only limit to what we can hope to have in the future.
An inventor fails 999 times, and if he succeeds once, he's in. He treats his failures simply as practice shots.
The Wright brothers flew right through the smoke screen of impossibility.