A cardinal principle of Total Quality escapes too many managers: you cannot continuously improve interdependent systems and processes until you progressively perfect interdependent, interpersonal relationships. ↗
If any sort of error is inexcusable, it's an incorrect phone number. One of the cardinal rules of copy editing is that every phone number published must be checked. ↗
The cardinal responsibility of leadership is to identify the dominant contradiction at each point of the historical process and to work out a central line to resolve it. ↗