Can someone tell me what this means?

[Gordon JC Pearce]

On Sat, 2007-08-11 at 16:39 -0400, William Donzelli wrote:

> There are lots of Linux customers that tend to want all their software
> for free. It is part of the culture.

Actually, the important part is free as in speech, rather than free as
in beer.  I don't mind paying for software, just as I don't mind paying
for any other tools.  I want the source code though.  I might want to
modify things.

Gordon