Well, I've given up trying to find a secret message. However, during my research into a message, I checked if the phrases were taken from something else... and surprisingly, Roussau's "Discourse on the Origin of Inequality Among Men" came up.
for, the idea of right, says Burlamaqui, and more particularly
This is slightly different from the bots version, but close enough.
^ This line is also from Roussau's discourse. Word for word this time
The above two are taken from Underground: Tales of Hacking, Madness and Obsession on the Electronic Frontier by Suelette Dreyfuss by Julian Assange.
I also should mention another "Gandalf" candidate is a hacker mentioned in the book above.
That's one well read spambot, and these seem to be interestingly related to our group. There's probably other phrases stolen from other writings for you guys to find. Anyone find any?