There is no such thing as a free variable.
Motto for a research laboratory: what we work on today, others will first think of tomorrow.
One can only display complex information in the mind. Like seeing, movement or flow or alteration of view is more important than the static picture, no matter how lovely.
In man-machine symbiosis, it is man who must adjust: The machines can't.
In software systems it is often the early bird that makes the worm.
Dealing with failure is easy: Work hard to improve. Success is also easy to handle: You've solved the wrong problem. Work hard to improve.