Smarter Faster Better: The Secrets of Being Productive in Life and Business

by Charles Duhigg

“and on that little note, it said, ‘and if not?’ ” The note was a talisman, a reminder that the desire to get something done, to be decisive, can also be a weakness.

Eventually, they collected enough data to conclude that most companies had cultures that fell into one of five categories.

Five organizational types.

But an expert sees this hand differently. “A good poker player doesn’t care about certainty,” Annie’s brother told her. “They care about knowing what they know and don’t know.”