diff --git a/journal/2021-10-21.md b/journal/2021-10-21.md
index 96bbebeb5..51c705875 100644
--- a/journal/2021-10-21.md
+++ b/journal/2021-10-21.md
@@ -6,4 +6,5 @@
       - [[troupe]]
         - [[rpg classes]]
 - met [[pesho]] [[ragnar]].
-- [[ui]]
\ No newline at end of file
+- [[ui]]
+- [[tit for tat with forgiveness]]
\ No newline at end of file
diff --git a/tit for tat with forgiveness.md b/tit for tat with forgiveness.md
new file mode 100644
index 000000000..77ad5b6cd
--- /dev/null
+++ b/tit for tat with forgiveness.md	
@@ -0,0 +1,7 @@
+# tit for tat with forgiveness
+
+- a [[strategy]]
+  - [[tit for tat]] is optimal in many scenarios
+    - plus [[forgiving]]
+  - [[pull]] [[robert axelrod]]
+