I heard this the other day, and I can't remember who said it.  But I did remember the impact:

Ever notice how the same bottle of water costs a dollar at the grocery store, three at the gym, and six at the airport?
It’s still the same water—just in a different place.
Funny how value changes based on where you stand.
The same goes for us.
Our value isn’t determined by where others place us but by how we define and protect it.