The Most Obscure Xenogears Reference Discovered in Xenoblade

While the Bible quotes used in Xenoblade 2 have been known for a while, one of these quotes actually has a very obscure connection to Xenogears. Could this really even be called a "reference"? I don't know, but let's check it out! Xenogears Digicube Players Guide book scans courtesy of xeno-underground.net Music used in video - 1) Xenoblade Chronicles 3 - At Our Life's End 2) Xenosaga Episode 1: Der Wille zur Macht - Greensleeves 3) Xenosaga Episode 1: Der Wille zur Macht - Pain (piano version) 4) Xenoblade Chronicles 2 - One Last You (piano version)