Don't let the noise of others' opinions drown out your own inner voice.

Your time is limited, so don't waste it living someone else's life.

Stay hungry. Stay foolish.

The only way to do great work is to love what you do.

The digital revolution has also meant a revolution in access to information. This puts more power and knowledge into the hands of nonexperts.

However, even during the preparations for action, we laid our plans in such a manner that should there be progress through diplomatic negotiation, we would be well prepared to cancel operations at the latest moment that communication technology would have permitted.

The history of the Internet is, in part, a series of opportunities missed: the major record labels let Apple take over the digital-music business; Blockbuster refused to buy Netflix for a mere fifty million dollars; Excite turned down the chance to acquire Google for less than a million dollars.

If you think back to the beginning of cell phones, laptops or really any new technology, it's always expensive.