Narrated Abu Huraira:
Allah’s Apostle said, “Anyone whom Allah has given wealth but he does not pay its Zakat, then, on the Day of Resurrection, his wealth will be presented to him in the shape of a bald-headed poisonous male snake with two poisonous glands in its mouth and it will encircle itself round his neck and bite him over his cheeks and say, “I am your wealth; I am your treasure.” Then the Prophet recited this
Divine Verse:–
“And let not those who covetously withhold of that which Allah has bestowed upon them of His Bounty.” (3.180)
Sahih Bukhari, Volume 6, Book60, Number 88