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some minor mistakes in your expansion. Over all its written Good.

Every cloud has a silver lining

It is an obvious fact that the life of man is in a continuous dynamic state. Happiness and sorrows are alternating phenomena of life. When a man is afflicted with adversities of life, he feels disheartened and soon loses hope. He does not realize that the difficult times are short lived and soon will be followed by moments of joy and happiness. This proverb unveils to mean that there is always light at the end of the tunnel.
It is a fact that every man encounters hardships at some point of his life. Many people, in such situations, become frustrated and depressed and adopt a pessimistic attitude about life. Such persons, when overwhelmed by the miseries, start to curse their fate. On the other hand, there are a few people who do not stop struggling in such times and counter the miseries of life with resilience and courage. They approach life with optimism and find opportunity in every difficulty. In fact, adversities demonstrate the hard realities of life and the real mettle of a man is tested at such times. Thus, it provides an opportunity to man to develop a strong will power and determination. All the great leaders of the world encountered immense obstacles in their path, but they stood firm on their feet and toiled incessantly to get their goals. During Pakistan movement, the Muslims of the subcontinent faced atrocities and wrath of both the Hindus and the English, but they did not lose hope and struggled hard against all the odds, giving their blood and treasure, and eventually got independence to form a separate Muslim state. Nelson Mandela, the renowned reformist of South Africa, was imprisoned for life for his activism for the cause of equality of his fellow men. Despite the hardships, he continued his endeavor and emerged out as redeemer of his nation. The trials and misfortunes of life reinforce the fortitude and will of man to face coming challenges in a staunch manner. This idea not only applies to man, but also to nations as well. People’s Republic of China, once considered a backward and underdeveloped country, worked day and night to become the leading economic icon in the contemporary world.
To conclude, the proverb exhorts that behind every difficulty there is a ray of hope. Therefore, man should not cow down in the hands of hard times and strive hard to steer the course of events in his favor. In this endeavor he should exercise great patience and courage. He should adopt an optimistic view of the world because the hardship is momentary and will be followed by moments of relief and happiness. In this way he can increase his productivity and fulfil his goals.

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Recite a Darood Shareef on Our Beloved Prophet Muhammad peace be upon him at least once and now.