I’d rather have questions that can’t be answered than answers that can’t be questioned. — Richard Feynman

My personal take on this is

Ideas that withstand questioning are superior to ideas you are not allowed to question.

Peopleware-related quotes:

Chapter 4: Quality … If Time Permits

“By regularly putting the development process under extreme time pressure and then accepting poor-quality products, the software user community has shown its true quality standard.”

Economics of Software Quality

“Most projects that run late and exceed their budgets show no overt sign of distress until testing begins.” – Capers Jones and Olivier Bonsignour

(Kindle Edition Location 411)