"Whoever believes in Allah and the Last Day, then let him honor his guest. And whoever believes in Allah and the Last Day, then let him say what is good or remain silent." Other chains report similar narrations.  

عَنِ النَّبِيِّ ﷺ قَالَ مَنْ كَانَ يُؤْمِنُ بِاللَّهِ وَالْيَوْمِ الآخِرِ فَلْيُكْرِمْ ضَيْفَهُ وَمَنْ كَانَ يُؤْمِنُ بِاللَّهِ وَالْيَوْمِ الآخِرِ فَلْيَقُلْ خَيْرًا أَوْ لِيَصْمُتْ  

"Whoever is silent, he is saved."  

قَالَ رَسُولُ اللَّهِ ﷺ مَنْ صَمَتَ نَجَا