In his classic book Only the Paranoid Survive, - Ben Horowitz

I’d learned the hard way that when hiring executives, one should follow Colin Powell’s instructions and hire for strength rather than lack of weakness. By running sales, I understood very clearly the strengths we needed. I made a careful list and set out to find the sales executives with the right skills and talents for Opsware.

I said that Oxide was simply another product line. This statement deeply worried two of my employees who had graduated from Stanford Business School. They scheduled an appointment and presented me with a slide deck detailing why my decision to start Oxide was quixotic, misguided, and downright stupid. They argued that it would steal precious resources from our core business while pursuing a product that would surely fail. I let them present all forty-five slides without my asking them a single question. When they finished I said, “Did I ask for this presentation?” Those were the first words I spoke as I made the transition from a peacetime CEO to a wartime CEO.

Trust. Without trust, communication breaks. More specifically: In any human interaction, the required amount of communication is inversely proportional to the level of trust.