diff --git a/source/part-1-workspace/maintainable-applications/clean_architecture.adoc b/source/part-1-workspace/maintainable-applications/clean_architecture.adoc
index c3c5b89..f26aaf0 100644
--- a/source/part-1-workspace/maintainable-applications/clean_architecture.adoc
+++ b/source/part-1-workspace/maintainable-applications/clean_architecture.adoc
@@ -1,3 +1,10 @@
+[quote]
+----
+If you think good architecture is expensive, try bad architecture
+-- Brian Foote and Joseph Yoder 
+----
+
+
 [quote]
 ----
 A computer program is a detailed description of the policy by which inputs are transformed into outputs.