Narrated Abu Huraira:
The Prophet said, "A man saw a dog eating mud from (the severity of) thirst. So, that man took a shoe (and filled it) with water and kept on pouring the water for the dog till it quenched its thirst. So Allah approved of his deed and made him to enter Paradise."
http://www.holyebooks.org/islam/hadith_of_bukhari/004.sbt.html
—
M Junaid Tahir
http://mjunaidtahir.blogspot.com/
http://ae.linkedin.com/in/mjunaidtahir
Junaid Tahir