diff --git a/rocks/computers/chemicals/LSD.md b/rocks/computers/chemicals/LSD.md
index b03d89a..63f1234 100644
--- a/rocks/computers/chemicals/LSD.md
+++ b/rocks/computers/chemicals/LSD.md
@@ -1,5 +1,13 @@
 # LSD is... not what you think it is
 
+>[...]  Don't take LSD unless you are very well prepared, unless you
+>are specifically prepared to go out of your mind. [...] And don't
+>take it unless you are ready to have your perspective on yourself and
+>your life radically changed, because you're gonna be a different
+>person, and you should be ready to face this possibility.
+
+--- Timothy Leary, Psychologist (1920 - 1996)
+
 No, seriously, whatever you think LSD is, it is not. I can't define
 the thing. I can't define what I felt, but it was awesome.