Don't underestimate the power ...

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.
 Leroy Hood

Quotes from the same author

Almost never does a single company have excellence in a multiplicity of disciplines.
 Leroy Hood