diff --git a/dat/data.base b/dat/data.base
index 3f5551bdd..7610246ed 100644
--- a/dat/data.base
+++ b/dat/data.base
@@ -922,6 +922,21 @@ doorway
 		[ The Inferno, from The Divine Comedy of Dante
 			Alighieri, translated by H.F. Cary ]
 doppelganger
+	"Then we can only give thanks that this is Antarctica, where
+	there is not one, single, solitary, living thing for it to
+	imitate, except these animals in camp."
+
+	"Us," Blair giggled. "It can imitate us. Dogs can't make four
+	hundred miles to the sea; there's no food. There aren't any
+	skua gulls to imitate at this season. There aren't any
+	penguins this far inland. There's nothing that can reach the
+	sea from this point - except us. We've got brains. We can do
+	it. Don't you see - it's got to imitate us - it's got to be one
+	of us - that's the only way it can fly an airplane - fly a plane
+	for two hours, and rule - be - all Earth's inhabitants. A world
+	for the taking - if it imitates us!
+		[ Who Goes There?, by John W. Campbell ]
+
 	Xander: Let go!  I have to kill the demon bot!
 	Xander Double (grabbing the gun): Anya, get out of the way.
 	Buffy: Xander!