Go against the wind and sail against Wan Li. This is a couplet that expresses the rapid development of China's space industry. Couplets are a cultural and artistic form with China characteristics, which consists of two antithetical sentences. It is a literary form used to state themes and express thoughts and feelings. It is not only widely used in indoor and many cultural places, but also the carrier of cultural exchange and literary creation. The theme of this couplet is to explore the enterprising spirit of human beings and the courage to explore the unknown, which implies the noble quality of "soaring into the sky, being brave in asking questions and going forward", which makes people feel proud and excited.