A problem well stated is a problem half solved.

“It doesn't matter if you try and try and try again, and fail. It does matter if…”

“Keep on going and the chances are you will stumble on something, perhaps when y…”

“You can’t have a better tomorrow if you are thinking about yesterday all the ti…”

“An inventor fails 999 times, and if he succeeds once, he's in. He treats his fa…”