I've found a few excellent qites that have compiled a goodly amount of B5 quotes. Interestingly enough the "Down Below Sound Archive" is a great resource, if you're looking for one in particular.
Over the years I've maintained my own collection of favorites, that comes to around 250 now. Heh, it probably covers a singificant portion of the actual spoken words in the series.
"It's not so much that it's 'shut down' as the government has been rebooted into safe mode."
- Tim and Daniel Shamblin