Complex sentence: Ibn al-Zayyat was also an ardent patron of learning and science, and promoted the translation movement of Greek authors then under way; thus he commissioned Ishaq ibn Hunayn to translate works of Galen.
Split into simpler sentences: Ibn al-Zayyat was also an ardent patron of learning and science, and promoted the translation movement of Greek authors then under way. Thus he commissioned Ishaq ibn Hunayn to translate works of Galen.