We must define quality as conformance to specifications if we are to manage it.
Being convinced one knows the whole story is the surest way to fail.
Improving quality requires a culture change, not just a new diet.
The cost of quality is the expense of doing things wrong.
If anything is certain, it is that change is certain. The world we are planning for today will not exist in this form tomorrow.
Most things don't work like they are supposed to work.