Share your insights or perspective on the financial matter presented in the input.

What did John Templeton mean when he said that the four most dangerous words in investing are: ‘this time it’s different'?
A brief review of the financial collapses in the last 30 years will show that the following events take place in a fairly typical cycle: Overuse of that innovation (resulting in inadequate supply to meet demand, in most cases) Inadequate capacity in regulatory oversight for the new volume of demand, resulting in significant unregulated activity, and non-observance of regulations to a greater extent than normal Confusion regarding shifting standards and regulations, leading to inadequate regulatory reviews and/or lenient sanctions for infractions, in turn resulting in a more aggressive industry "Gaming" of investment vehicles, markets and/or buyers to generate additional demand once the market is saturated "Chickens coming home to roost" - A breakdown in financial stability, operational accuracy, or legality of the actions of one or more significant players in the market, leading to one or more investigations A reduction in demand due to the tarnished reputation of the instrument and/or market players, leading to an anticipation of a glut of excess product in the market "Cold feet" - Existing customers seeking to dump assets, and refusing to buy additional product in the pipeline, resulting in a glut of excess product "Wasteland" - Illiquid markets of product at collapsed prices, cratering of associated portfolio values, retirees living below subsistence incomes Such investment bubbles are not limited to the last 30 years, of course; there was a bubble in silver prices (a 700% increase through one year, 1979) when the Hunt brothers attempted to corner the market, followed by a collapse on Silver Thursday in 1980.   The "poster child" of investment bubbles is the Tulip Mania that gripped the Netherlands in the early 1600's, in which a single tulip bulb was reported to command a price 16 times the annual salary of a skilled worker. The same cycle of events took place in each of these bubbles as well. Templeton's caution is intended to alert new (especially younger) players in the market that these patterns are doomed to repeat, and that market cycles cannot be prevented or eradicated; they are an intrinsic effect of the cycles of supply and demand that are not in synch, and in which one or both are being influenced by intermediaries. Such influences have beneficial effects on short-term profits for the players, but adverse effects on the long-term viability of the market's profitability for investors who are ill-equipped to shed the investments before the trouble starts.