Prayer is good but we must help also our self to survive and overcome the depression. We must know what is the main source of that problem or experience so that we are able to find proper solution. Depression is a mental problem that need mental medication. Medication can be in the form of exploring our self to positive things like creating good relationship to others, talking with your friends that will give you proper advice, family. We must learn how to fight our own weaknesses because that is the best way to overcome depression.