<p>Recent Posts:</p>
<div id="posts">
    <%= partial("shared/post", :with => @posts) %>
</div>

สร้าง views/shared/_post.html.erb

<div id="post-<%= post.id %>" class="post">
    <p class="body"><%= h(post.body) %></p>
    <p class="created"><%= relative_date(post.create_date) %></p>
</div>