The line is spoken by the character during his fight against Kiryu Setsuna.
Or more naturally in standard Japanese:
The phrase "" (Shinseki o ko to wo tomari da kara) serves as a poignant reminder of the galaxy's enormity and emptiness. As we continue to explore the universe and push the boundaries of human knowledge, we are humbled by the realization of our place within the vast expanse of space. The galaxy's emptiness inspires us to continue searching for answers, to explore the unknown, and to contemplate our existence within the grand scheme of the universe. shinseki o ko to wo tomari da kara
For learners, analyzing errors reinforces correct structure. Let’s list what’s wrong with the original: Kuroki Gensai The line is spoken by the