Abu Hurayrah (may Allah be pleased with him) narrated that the Messenger of Allah (peace be upon him) said, "The people will sweat so profusely on the Day of Resurrection that their sweat will sink seventy cubits deep into the earth, and it will rise up till it reaches the people's mouths and ears -Sahih Al Bukhari (197\4) No. (6532) and Sahih Muslim (2196\4) No. (2863)