diff --git a/src/aphorisms/twenty_four.clj b/src/aphorisms/twenty_four.clj
new file mode 100644
index 0000000..c324ab4
--- /dev/null
+++ b/src/aphorisms/twenty_four.clj
@@ -0,0 +1,41 @@
+(ns aphorisms.twenty-four
+  (:require [quil.core :as q]
+            [quil.middleware :as qm]
+            [thi.ng.geom.rect :as r]
+            [thi.ng.geom.core :as g]
+            [thi.ng.math.core :as m]))
+
+;; I'm in bed. It is 9th of October, the temperatures are mild, the sund is
+;; shining and my girlfriend is reading me texts about the physical appearance
+;; of angels.
+
+(def bounds (r/rect 540 960))
+
+(defn setup []
+  (q/frame-rate 30)
+  (q/ellipse-mode :center)
+  (q/color-mode :hsb 100)
+  {})
+
+(defn update-state [_]
+  _)
+
+(def alpha-step (/ 100 16))
+
+(defn draw-state [_]
+  (q/with-translation (g/centroid bounds)
+    (q/background 0 0 0)
+    (dotimes [i 16]
+      (q/no-stroke)
+      (q/fill 100 (* alpha-step (- 16 (Math/abs (- 16 (* (inc i) 2))))))
+      (q/ellipse 0 (* 48 (- i 7.5)) 128 128))))
+
+#_:clj-kondo/ignore
+(q/defsketch twenty-four
+  :title "Twenty-Four"
+  :size (:size bounds)
+  :settings #(q/pixel-density (q/display-density))
+  :setup setup
+  :update update-state
+  :draw draw-state
+  :middleware [qm/pause-on-error qm/fun-mode])
diff --git a/src/aphorisms/twenty-one.clj b/src/aphorisms/twenty_one.clj
similarity index 100%
rename from src/aphorisms/twenty-one.clj
rename to src/aphorisms/twenty_one.clj
diff --git a/src/aphorisms/twenty-three.clj b/src/aphorisms/twenty_three.clj
similarity index 100%
rename from src/aphorisms/twenty-three.clj
rename to src/aphorisms/twenty_three.clj
diff --git a/src/aphorisms/twenty-two.clj b/src/aphorisms/twenty_two.clj
similarity index 100%
rename from src/aphorisms/twenty-two.clj
rename to src/aphorisms/twenty_two.clj