|P is for Practical|
Or, you may find yourself painted into a corner, whether through your own brushwork or that of some else, and in need of a quick fix now, pending an extensive redesign to accommodate the required fix in an architected fashion.
All the principles of least surprise and proper encapsulation can -- and should -- be thrown out of the window, when a fix is required now.
Pragmatism over pontification.
With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.