Therefore, there is no definite answer as to which poem is the best in the world. Everyone has different preferences and evaluation criteria for poetry, so different people will have different views and preferences on which poem is the best.
Poetry is an art form, which can express thoughts, feelings and beauty through language. Each poem has its own unique style, theme and expression. So different people may admire and love different poems.
Most importantly, appreciating poetry is a subjective experience, and everyone can evaluate the value of a poem according to their own feelings and understanding. So which poem is "the best in the world" is a question that varies from person to person, and there is no absolute answer.