String differences

From: David Busby (busby_at_edoceo.com)
Date: 03/26/04 

To: <beginners@perl.org>
Date: Thu, 25 Mar 2004 15:00:00 -0800

Any differences between strings quoted with ' vs "?
I know the '' delimited strings don't get variables and other nice
things converted to values, does that make '' faster when using constant
strings than ""?

/djb