What is the origin of the sentence that our journey is the sea of stars?

Our journey is a sea of stars. This sentence comes from the Japanese science fiction "Legend of the Galaxy Heroes", which is a sentence of Reinhart von Luo Yan Cramer, one of the protagonists. "Our journey is the sea of stars!"

Reinhardt von Luo Yan Cramer was also the winner of the Galactic War and ascended the throne of the Galaxy. This sentence needs to be understood in combination with novels. On the surface, this means that he wants to conquer the galaxy. But for this sentence, probably everyone has a different understanding. Now this sentence is generally used to express hopes and dreams for the future.

Brief introduction of the novel Legend of Heroes of the Galaxy;

Legend of Heroes of the Galaxy is an overhead historical novel written by Yoshiki Tanaka. It tells a magnificent heroic epic with the vast galaxy as the stage. The book consists of ten volumes and more than 2 million words, and is published by German bookstore.