diff --git a/shell.nix b/shell.nix
index 2ed3db0..8296393 100644
--- a/shell.nix
+++ b/shell.nix
@@ -19,6 +19,6 @@ in pkgs.mkShell rec {
   # we need to make sure the library is on the path for JOGL;
   # also, there's a bug that is avoided with the variable
   # https://github.com/processing/processing/issues/5476
-  JAVA_OPTS = "-Djava.library.path=${lib.makeLibraryPath buildInputs}";
-  LIBGL_ALWAYS_SOFTWARE = true; # ← this is the same as passing -Djogl.disable.openglcore="true"
+  JAVA_OPTS = "-Djava.library.path=${lib.makeLibraryPath buildInputs} -Djogl.disable.openglcore=true";
+  # LIBGL_ALWAYS_SOFTWARE = true; # ← this is the same as passing -Djogl.disable.openglcore="true"
 }
diff --git a/src/aphorisms/twenty-one.clj b/src/aphorisms/twenty-one.clj
index 769c650..4657af7 100644
--- a/src/aphorisms/twenty-one.clj
+++ b/src/aphorisms/twenty-one.clj
@@ -20,10 +20,10 @@
   state)
 
 (def canvas
-  (as-> (g/scale bounds 0.92) b
+  (as-> (g/scale bounds 0.8) b
     (g/translate b (m/* (m/- (:size bounds) (:size b)) 0.5))))
 
-(def tile-size 10)
+(def tile-size 20)
 
 (defn draw-tile [[x y] tile-type]
   (let [start (case tile-type
@@ -46,15 +46,11 @@
                            (* 0.0000033 y (q/millis)))]]
     (draw-tile [x y] (pick-at [:a :b] n))))
 
-(g/scale bounds 0.92)
-
-(g/scale (:size bounds) 0.92)
-
 #_:clj-kondo/ignore
 (q/defsketch twenty-one
   :title "Twenty-One"
   :size (:size bounds)
-  :Settings #(q/pixel-density (q/display-density))
+  :settings #(q/pixel-density (q/display-density))
   :setup setup
   :update update-state
   :draw draw-state
diff --git a/src/aphorisms/twenty-three.clj b/src/aphorisms/twenty-three.clj
new file mode 100644
index 0000000..e7797c3
--- /dev/null
+++ b/src/aphorisms/twenty-three.clj
@@ -0,0 +1,40 @@
+(ns aphorisms.twenty-three
+  (: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 500 500))
+
+(defn setup []
+  (q/frame-rate 30)
+  (q/ellipse-mode :center)
+  (q/color-mode :hsb 360 100 100)
+  {:n 1})
+
+(defn update-state [_]
+  {:n (inc (q/seconds))})
+
+(defn draw-state [{n :n}]
+  (q/with-translation (g/centroid bounds)
+    (q/background 0 0 95)
+    (q/no-fill)
+    (dotimes [i n]
+      (q/with-rotation [(m/radians (* i 6))]
+        (q/stroke (mod (+ 170 (* i 3)) 360) 80 100 90)
+        (q/ellipse 0 (* i 2) 16 (+ (* i 10) 100))))))
+
+#_:clj-kondo/ignore
+(q/defsketch twenty-three
+  :title "Twenty-Three"
+  :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-two.clj b/src/aphorisms/twenty-two.clj
new file mode 100644
index 0000000..ff02024
--- /dev/null
+++ b/src/aphorisms/twenty-two.clj
@@ -0,0 +1,34 @@
+(ns aphorisms.twenty-two
+  (: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]))
+
+(def bounds (r/rect 500 500))
+
+(defn setup []
+  (q/frame-rate 30)
+  (q/ellipse-mode :center)
+  (q/color-mode :hsb 360 100 100)
+  {})
+
+(defn update-state [state]
+  state)
+
+(defn draw-state [_]
+  (q/background 0 0 95)
+  (q/fill 0 0 70)
+  (q/blend-mode :difference)
+  (q/rect 0 0 100 100)
+  (q/rect 10 10 100 100))
+
+#_:clj-kondo/ignore
+(q/defsketch twenty-two
+  :title "Twenty-Two"
+  :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])