Between Business, Do'a and Pasrah

"Pray without effort like a beggar, trying without prayer like a communist", this adage is very populist, on the other hand we hear the call resigned to live "Life my life is in the hands of God", I believe most of us ever hear the phrase. So what is the message of simple sentences laden with this meaning? So that the echo really penetrated to all corners of the world.
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Whether consciously or not, it turns out that our days are always filled with a variety of desires and wishes, the turn of the series is never lost, the more the day progresses, because this is actually called the human nature. The potential "not satisfied" is the nature that is always inherent in us. The emergence of desire is closely related to the existence of dissatisfaction, Allah Almighty says: "Verily man is created to complain again stingy" (Surat al Maarij: 19). If so, how does Islam deal with the basic nature inherent in every human being?

Desire and wishful thinking here are universal, encompassing ideals and hopes. A trader wishing to succeed in business, stock merchandise and then reap profits, the student community hopes to pass the exam so that the ideals can be achieved, the thinkers wishing to realize the social order of peaceful society in order to create baldatun thayibah wa rabbun ghafur (gemah ripah loh jinawi). The end of it all will relate to "success" or "failure (predicate of success or failure)".
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In the brief description, is it only by trying to achieve the desired target? Are there other elements that are important to note in addressing the swift desires, desires, hopes and ideals? Because, do not we often hear the news of a statesman's failure in carrying out his duties, when he has devoted all abilities. Or we often hear the bad news of the students in the test, when they have learned the maximum, even we also often hear stories of people who are frustrated and end up suicidal due to depression in the face of failure. This is where the teachings of Islam came to provide a solution to the above phenomenon, in Islam we are introduced suggestions berdo'a and berpasrah beside us are required to try.