When faced with difficulties (whether great or small) this akathist not only brings solace to the soul but helps in strengthening one's faith in the merciful providence of our loving Lord.

O Lord, my Lord, my joy, grant that I may rejoice in Thy mercy!

What is an Akathist?  An akathist (Greek, akathistos) is a hymn dedicated to a saint, holy event, or one of the persons of the Holy Trinity. The word akathist itself means "not sitting." (Source:  https://orthodoxwiki.org/Akathist)