diff --git a/app/content/today-i-learned/_index.md b/app/content/today-i-learned/_index.md
index fc3e301..5e789d8 100644
--- a/app/content/today-i-learned/_index.md
+++ b/app/content/today-i-learned/_index.md
@@ -4,6 +4,9 @@ summary: As Randall Munroe of xkcd says, for each thing "everyone knows" by the
 type: today-i-learned
 
 links:
+  - date: "2023-10-30"
+    link: https://en.wikipedia.org/wiki/Weltschmerz
+    title: Weltschmerz describes the feeling of world-weariness.
   - date: "2023-08-29"
     link: https://hakibenita.com/postgresql-unknown-features
     title: PostgreSQL has native upsert support.