If you have a really good idea, stick to it, but be flexible on how you get there. Be stubborn on your vision but flexible on the details... People who are right a lot change their mind... They have the same data set that they had at the beginning, but they wake up, and they re-analyze things all the time, and they come to a new conclusion, and then they change their mind.

Our vision for Kindle is every book ever printed in any language, all available in less than sixty seconds.

The vision for Echo and Alexa was inspired by the Star Trek computer.

You won't get anything unless you have the vision to imagine it.

Both classically and romantically-minded spirits - in as much as these two species always exist - occupy themselves with a vision of the future: but the former do so out of a strength of their age, the latter out of its weakness.

Just because a man lacks the use of his eyes doesn't mean he lacks vision.