<?xml version="1.0"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/TR/WD-xsl">

<xsl:template match="/">
<br/>
<b>Showing the Monday value:</b>
<br/>
   <xsl:apply-templates select="//child[day='Sunday']"/>
</xsl:template>

<xsl:template match="//child[day='Sunday']">
  <b>Day: </b>
  <xsl:value-of select='day'/>
  <br/>
  <b>Saying: </b>
  <xsl:value-of select='saying'/>
</xsl:template>

</xsl:stylesheet>