Cash in must exceed cash out.
Never ignore a gut feeling, but never believe that it's enough.
In getting good results team leaders become conductor rather than driver, enabling others to play the right music, not by hands-on domination of all decisions and execution, but by providing inspiration, motivation and stimulus.
The easiest way of making money is to stop losing it.
The first myth of management is that it exists.
Things have to be made to happen in a way you want them to happen. Without management, without the intervention of organized willpower the desired result simply cannot be obtained.