diff --git a/journal/2022_02_16.md b/journal/2022_02_16.md
index 0235d28ac..a492a45c3 100644
--- a/journal/2022_02_16.md
+++ b/journal/2022_02_16.md
@@ -3,6 +3,7 @@
 	- I keep pressing [[g t]] to [[go today]] but it actually means [[go tomorrow]]
 	- [[g p]] for [[go previous]] fixes it :)
 - [[fritjof capra]]
-	-
-	- #push [[philosophy of physics]]
-		-
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+	- #push [[physics and philosophy]]
+		- a [[book]].
+			- by [[heisenberg]].
+			- https://www.goodreads.com/book/show/111185.Physics_and_Philosophy
\ No newline at end of file