"It's an ill wind that blows nobody any good. People need to make a living. This will be good news for the glazier."
"Stop there! Your theory is confined to that which is seen; it takes no account of that which is not seen."
"If that which is not seen is taken into consideration, because it is a negative fact, as well as that which is seen, because it is a positive fact, it will be understood that neither industry in general, nor the sum total of national labour, is affected, whether windows are broken or not."
"Social problems have the unfortunate tendency to grow at a geometric ratio with the growth of an organism of which they are a part, while the ability of man to cope with them, if it can be extended at all, grows only at an arithmetic ratio."
"We have ridiculed the many little states," wrote Kohr, sadly,"Now we are terrorised by their few successors."
"Can you think of any problem in any area of human endeavour on any scale, from microscopic to global, whose long term solution is in any demonstrable way aided, assisted or advanced by further increases in population locally, nationally or globally?"
"Continued growth past maturity for any entity becomes obesity or cancer."