It is kind of like the game Jinga....in your quest to be taller and bigger, if you do not continue to reinforce the supporting tiles, the whole thing will collapse. Even the Egyptians got it right when they built their pyramids. You have to have a solid foundation made up of many, many solid stones. There may only be one or two stones at the top but the jewels and important things are kept in the foundation. And many of the pyramids have, over time, lost their tops while the foundations still stand.
Leslie Hospital Employed Physician Who Misses The Old AC
"It's a good thing for a doctor to have prematurely grey hair and itching piles. It makes him appear to know more than he does and gives him an expression of concern which the patient interprets as being on his behalf. "