What you think means more than anything else in your life. More than what you earn, more than where you live, more than your social position, and more than what anyone else may think about you.
It's also somewhat in the center of a number of things that will be useful to the company.
Some guys travel with expensive Louis Vuitton luggage but it gets all scratched up under the plane. I'd rather not spend too much money on something that's just going to get messed up.