Re #142, Plato didn't write that, nor, as far as I can tell, did any other ancient.
See:
http://quotationsbook.com/quote/44998/
and
http://en.wikiquote.org/wiki/Youth_nowadays
The link above says the quote is a "paraphrase of a quote from Aristophanes' Clouds." However, when I follow the link to the
passage from Aristophanes, well, each can judge for themselves, but I think Aristophanes was joking, and his meaning is arguably rather different.