Plan to throw one (implementation) away; you will, anyhow.

You can learn more from failure than success. In failure you're forced to find out what part did not work. But in success you can believe everything you did was great, when in fact some parts may not have worked at all. Failure forces you to face reality.

The bearing of a child takes nine months, no matter how many women are assigned.

The management question, therefore, is not whether to build a pilot system and throw it away. You will do that. Hence plan to throw one away; you will, anyhow.

Men and months are interchangeable commodities only when a task can be partitioned among many workers with no communication among them.

Adding manpower to a late software project makes it later

Consensus processes starve innovative design by eating the resource.