The only way to tell the truth is to speak with authority, and the only way to speak with authority is to claim the right to tell the truth.

The notion of truth is not definable in any formal system that is strong enough to include arithmetic.

The companies that thrive will be those that turn environmental challenges into business opportunities.

The world we see that seems so insane is the result of a belief system that is not working. To perceive the world differently， we must be willing to change our belief system， let the past slip away， expand our sense of now， and dissolve the fear in our minds.

A brand for a company is like a reputation for a person. You earn reputation by trying to do hard things well.