It's very hard to motivate yourself and others with only one goal - particularly if it's complex and you might not get there until years down the road. That's why intermediate goals are so important.

When I started working with NASA in 1989 as part of a mission to send spacecraft to Pluto, I knew it would take at least 10-15 years to see results of my efforts.

To keep everyone invested in your vision, you have to back up a little bit and really analyze who the different stakeholders are and what they individually respond to.

Alan Stern Quotes