diff --git a/ChangeLog b/ChangeLog
index 78afdf8cf3..ac4e981964 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Fri Dec 28 11:16:53 2007  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* golf_prelude.rb (Object.quine): get the script itself.
+
 Fri Dec 28 10:06:54 2007  Akinori MUSHA  <knu@iDaemons.org>
 
 	* golf_prelude.rb (Object.const_missing): Auto-complete constants.
diff --git a/golf_prelude.rb b/golf_prelude.rb
index 59b5ffc345..18b9f1b8dc 100644
--- a/golf_prelude.rb
+++ b/golf_prelude.rb
@@ -1,3 +1,5 @@
+SCRIPT_LINES__={}
+
 class Object
   def method_missing m, *a, &b
     r = /^#{m}/
@@ -14,6 +16,10 @@ class Object
   def h(a='H', b='w', c='!')
     puts "#{a}ello, #{b}orld#{c}"
   end
+
+  def quine(src = $0)
+    SCRIPT_LINES__[src]
+  end
 end
 
 class Integer