Maybe "just one little global variable" isn't too unmanageable, but that style leads to code that is useless except to its original programmer. - Bjarne Stroustrup

[Corporate programming] is often done to the point where the individual is completely submerged in corporate "culture" with no outlet for unique talents and skills. Corporate practices can be directly hostile to individuals with exceptional skills and initiative in technical matters. I consider such management of technical people cruel and wasteful.

I have always wished for my computer to be as easy to use as my telephone; my wish has come true because I can no longer figure out how to use my telephone.

"How to test?" is a question that cannot be answered in general. "When to test?" however, does have a general answer: as early and as often as possible.