I have never been able to cope with the multiple quotes process here, so I often default to manually copying pieces I want to quote and then pasting the quote between these brackets:

{quote} quote goes here {/quote}

which tells the system to start quoting, then end quoting --

EXCEPT that instead of {} I use the square brackets

[

and

]

If I use the square brackets instead of the curly ones in this message, it gets translated into a quote!