Rasulullah S.A.W. said, "I only curse 3 types of people;

1. Those people who do not look after their parents when they are in old age.

2. Those people who do not take full advantage of the blessed month of Ramadan.

3. Those people who don not say, 'Salallahu -Alayhay- -Wa-Aalahay Wasallam' when my name is mentioned."