In the end, what counts is what you do.
Don't underestimate the power of your vision to change the world. Whether that world is your office, your community, an industry or a global movement, you need to have a core belief that what you contribute can fundamentally change the paradigm or way of thinking about problems.
New ideas require new structures.
Almost never does a single company have excellence in a multiplicity of disciplines.
Changing the world is not easy, but its pursuit will change you profoundly.
My fundamental philosophy is that you owe it to society to transfer to them any knowledge you have that might be useful.