diff --git a/examples/subclass/src/billy.rs b/examples/subclass/src/billy.rs
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+++ b/examples/subclass/src/billy.rs
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+// Copyright 2021 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// https://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+pub(crate) static SHAKESPEARE_QUOTES: [&str; 10] = [
+    "All that glitters is not gold",
+    "Hell is empty and all the devils are here.",
+    "Good night, good night! parting is such sweet sorrow, That I shall say good night till it be morrow.",
+    "These violent delights have violent ends...",
+    "Something is rotten in the state of Denmark.",
+    "Love all, trust a few, do wrong to none.",
+    "The lady doth protest too much, methinks.",
+    "Brevity is the soul of wit.",
+    "Uneasy lies the head that wears a crown.",
+    "Now is the winter of our discontent.",
+];