As organizations get larger, there seems to be a tendency to use the heavy-weight Type 1 decision-making process on most decisions, including many Type 2 decisions. The end result of this is slowness, unthoughtful risk aversion, failure to experiment sufficiently, and consequently diminished invention. We'll have to figure out how to fight that tendency.

If I have three good decisions a day, that's enough.

Focus on the big decisions. "As a senior executive, what do you really get paid to do?" he asks. "You get paid to make a small number of high-quality decisions. Your job is not to make thousands of decisions every day.

The only thing I really think about is: How are we making decisions and getting things done such that Walmart is succeeding and creating value 50 years from now?

There are basically no companies that have good slow decisions. There are only companies that have good fast decisions.

Good business demands tough decisions based on rigorous analysis and unwavering follow-through. Emotion can't really play a part. The challenge we all face as leaders is to let the feelings churn inside you but then to present a calm exterior, and I learned to do that.