the sky wept for forty days over the martyrdom of Imam Hussein (as)

إنَّ السَّماءَ بَکَتْ عَلی الْحُسَینِ عَلَیهِ السَّلام اَرْبَعِینَ صَباحاً بِالدَّمِ وَ إِنَّ الْأَرْضَ بَکَتْ أرْبَعینَ صَباحاً بِالسَّواءِ

Imam Sadiq (as): the sky wept for forty days over the martyrdom of Imam Hussein (as) and the earth cried and mourned for forty days for him and turned dismal