This proverb means that when someone loses something or someone significant, it is possible that other better opportunities will arise. In life, a loss is not always an end; it can pave the way for new and enriching experiences. For example, losing a job opportunity might lead to a better offer elsewhere. An equivalent English proverb would be : « When one door closes, another opens ». It encourages not to be disheartened in the face of loss but to remain open to new opportunities.