One need not be eminent in any part of profound knowledge in order to understand it and to apply it. The various segments of the system of profound knowledge cannot be separated. They interact with each other. For example knowledge about psychology is incomplete without knowledge of variation.

We must satisfy our customers.

The most basic problem is that performance appraisals often don't accurately assess performance.

Sub-optimization is when everyone is for himself. Optimization is when everyone is working to help the company.

Lack of knowledge - that is the problem.

Put a good person in a bad system and the bad system wins, no contest.

The worker is not the problem. The problem is at the top! Management!