What have historians learned about because Byzantine librarians saved texts?

Historians have learned that Byzantine librarians played a crucial role in preserving classical literature, religious texts, and historical documents through the tumultuous periods of the Middle Ages. Their efforts safeguarded knowledge that might have otherwise been lost, allowing for the revival of classical learning during the Renaissance. The survival of these texts has provided insights into ancient Greek and Roman culture, philosophy, and science, enriching our understanding of Western civilization's intellectual heritage. Additionally, the Byzantine emphasis on manuscript copying and archiving highlights the importance of libraries as centers of knowledge and cultural preservation.