"Open Sesame" is a spell.

It comes from a story in "One Thousand and One Nights" called "Alibaba and the Forty Thieves", which vividly depicts a life story that took place in the Arab Empire in the Middle Ages: Ali Baba, a poor and penniless woodcutter, accidentally discovered the treasure hiding place of a robber group on his way to chop wood. He easily obtained a large amount of wealth, but he did not take it all for himself. However, good intentions are not rewarded, and the robbers conspired to kill Ali Baba to eliminate future troubles. Ali Baba was helped by the smart, witty, and hateful maid Margina, and then he turned danger into safety and defeated the robbers. He also let his nephew marry Margina, the maid who had helped him three times. The language of the work is easy to understand, and the plot is tortuous and wonderful, which vividly expresses people's yearning and pursuit for a better life. It also tells us from the side that we should be an upright person who knows how to repay kindness.