diff --git a/docs/true.1 b/docs/true.1
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--- a/docs/true.1
+++ b/docs/true.1
@@ -5,6 +5,11 @@
 .\" visit <http://creativecommons.org/licenses/by-sa/4.0/>.
 .\"
 .TH TRUE 1 2024-06-06 "Harakit X.X.X"
+.SH PROLOGUE
+\(lqThe truth is one, there is no second about which a person who knows it would
+argue with one who knows.\(rq
+
+\(en The Buddha, Sutta Nip\[u0101]ta, trans. \[u1E6C]h\[u0101]nissaro Bhikkhu
 .SH NAME
 true \(en do nothing, successfully
 .\"