 omar bin alkhattab wrote to saad bin abi waqqas may god be pleased with them both while he was in alqadisiyah spare them the talk of the preislamic era for it reminds them of grudges. preach to them about the days of god as long as they are eager to listen to them.
وكتب عمر بن الخطاب إلى سعد بن أبي وقاص، رضي الله عنهما، وهو بالقادسية أن جنبهم حديث الجاهلية؛ فإنه يذكر الأحقاد. وعظهم بأيام الله ما نشطوا لاستماعها.