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

A man who knows not his limitations is of no use to anyone.

Change the rule and you will get a new number.

Hard work and best efforts will not by themselves dig us out of the pit.

You do not install quality; you begin to work at it.

The greatest waste … is failure to use the abilities of people…to learn about their frustrations and about the contributions that they are eager to make.

Eliminate slogans, exhortations, and targets for the work force asking for zero defects and new levels of productivity. Such exhortations only create adversarial relationships, as the bulk of the causes of low quality and low productivity belong to the system and thus lie beyond the power of the work force