وَاعلَموا أَنَّما أَموالُكُم وَأَولادُكُم فِتنَةٌ وَأَنَّ اللَّهَ عِندَهُ أَجرٌ عَظيمٌ

Know that your possessions and your children are a test, and that with God, there is a great reward.