A reliable Tradition from the Holy Prophet (s.a.w.a.) states that a person who is severely afflicted with poverty should recite :-
Transliteration: LA HOVLA WA LA QOOVATA ILLA BILLAHIL ALIYIL-AZIM
(There is no power and strength except with Allah, The Grand, and The Great.)
This Kalima is one of the many treasures of Heaven. It is a cure for seventy types of diseases and most minor of the diseases being sadness.
According to many Traditions “La Hovla Wa La Qoovata Illa Billahil Azim” is a cure for various types of sadness.