diff --git a/2021-07-17.md b/2021-07-17.md
index 862bfc378..ceed5f1b4 100644
--- a/2021-07-17.md
+++ b/2021-07-17.md
@@ -5,7 +5,7 @@
 		- [[aleph]]
 		- [[library of babel]]
 	- [[richard feynman]]
-	
+		- [[read]] [[six easy pieces]]
 - [[push]] [[read]]
 	- [[push]] [[a rosetta stone]]
 		- https://twitter.com/karlicoss/status/1416406388109156353