I think that reading Peter Lynch's books (and, if you can find them, listening to interviews with him) is a lot more valuable than looking at a web page of quotations from his writing. (But reread his quotation about ignoring the herd, and consider whether you're ignoring the herd or joining it.) Even better for this particular topic, reading books that discuss a variety of financial bubbles -- not just references to the tulip mania -- could save you some money. And familiaring yourself with the backgrounds of well-known investors, financial writers, and speakers can help you to distinguish between the self-promoters and the people who are really worth listening to.
Anyway, I had told myself not to join the discussion on this thread. For the most part, it's both fascinating and entertaining, so I hope that it keeps going and stays reasonably civil.