Narrated Abu Hurayra radiallahu 3anh:
The Prophet said,"(There are) two words which are dear to the Beneficent (Allah) and very light (easy) for the tongue (to say), but very heavy in weight in the balance.
They are:
Sub7aan Allaahi wa bi 7amdih, Sub7aan Allaahil 3atheem." (Al Bukhari)
Learn this and use it bi ithnillah !