diff --git a/source/robots.txt b/source/robots.txt
index d310d07..b229e73 100644
--- a/source/robots.txt
+++ b/source/robots.txt
@@ -1,5 +1,11 @@
 # www.robotstxt.org/
 # www.google.com/support/webmasters/bin/answer.py?hl=en&answer=156449
-
 User-agent: *
 
+# Asimov's law
+Disallow: /harming/humans
+Disallow: /ignoring/human/orders
+Disallow: /harm/to/self
+
+Allow: /
+