One of my favourite authors in this area is Gerald Weinberg. Several of his books, especially The Secrets of Consulting , are very useful, and I thought I would lead-off a compilation of quotations about the field of systems management with some from Mr. Weinberg. You can buy it from Amazon . Quality is relative. What is quality to one person may even be lack of quality to another.
Quality is neither more nor less than values to some person or persons.
Having lost of features is high quality. Elegant coding is high quality. High performance is high quality. Low development cost is high quality. Rapid development is high quality.