diff --git a/service/documentation.md b/service/documentation.md
index 613eb7db4c4af314e98333cce6277406bad0cc28..0547a9c1b456656be66bb81ccd34d4d891983ded 100644
--- a/service/documentation.md
+++ b/service/documentation.md
@@ -4,6 +4,10 @@ and possibly other documentation systems inside TPO.
 Note that there is a different service called [status](service/status)
 for the status page at <https://status.torproject.org>.
 
+> The palest ink is better than the most capricious memory.
+>
+> - ancient Chinese proverb
+
 [[_TOC_]]
 
 # Tutorial