diff --git a/index.html b/index.html
index fcfdac5..c25711e 100644
--- a/index.html
+++ b/index.html
@@ -6,13 +6,22 @@
 <div class="jumbotron">
     <div><img src="./images/logo.png" alt="logo" width="256 px"></div>
 <!--    <div style="font-size: xxx-large; font-family: 'Arial Black',serif">Be Framework</div>-->
-    <p style="font-size: 1.8rem;">
+    <span class="sr-only">乾道變化、各正性命 — I Ching, Commentary on the Hexagram Qián (Circa 4th Century BC)</span>
+    <style>
+        .hero-tagline { font-size: 1.8rem; }
+        @media (min-width: 1200px) {
+            .hero-tagline { white-space: nowrap; }
+        }
+    </style>
+    <p class="hero-tagline">
+        <br>
+        As the Way <strong>transforms</strong>, each thing settles into its <strong>nature</strong> and <strong>destiny</strong>.
         <br>
         The Being-Oriented Framework for PHP
     </p>
 
     <a class="intl btn btn-primary" href="/manuals/1.0/en/index.html">
-        Learn more &raquo;
+        be &raquo;
     </a>
     <script>
         window.addEventListener('DOMContentLoaded', (event) => {