What Buffett and a lot of other people who have been successful in life — true success, not measured by money — have in common is that they’re able to remember what we all set out to do: live a fulfilling life! Not get rich. Not get famous. Not even get admiration, necessarily. But to live a satisfying existence and help others around them do the same.

In simple terms, you identify the bottleneck in the system – the weakest link – and you make it stronger by increasing its capacity and smoothing the flow of operations.