In his Sahih, Muslim recorded that Abu Hurayrah, may Allah be pleased with him, said that the Messenger of Allah said:

«بَادِرُوا بِالْأَعْمَالِ سِتًّا، طُلُوعَ الشَّمْسِ مِنْ مَغْرِبِهَا، وَالدُّخَانَ، وَالدَّجَّالَ، وَالدَّابَّةَ، وَخَاصَّةَ أَحَدِكُمْ، وَأَمْرَ الْعَامَّة»

(Hasten to do good deeds before six things appear: the rising of the sun from the west; the smoke; the Dajjal; the beast; the (death) of one of your favorite, or general affliction.) This was recorded by Muslim alone. Muslim also recorded that Abu Hurayrah, may Allah be pleased with him, said that the the Prophet said:

«بَادِرُوا بِالْأَعْمَالِ سِتًّا: الدَّجَّالَ، وَالدُّخَانَ، وَدَابَّةَ الْأَرْضِ، وَطُلُوعَ الشَّمْسِ مِنْ مَغْرِبِهَا، وَأَمْرَ الْعَامَّةِ، وَخُوَيْصَّةَ أَحَدِكُم»

(Hasten to do good deeds before six things appear: the Dajjal; the smoke; the beast of the earth; the rising of the sun from the west; and the (death of one of your favorite) or general affliction.)