"Zarathustra born on lake Urmi; left his home in his thirtieth year, w… — Thus Spake Zarathustra
SAPIR 861
"Zarathustra born on lake Urmi; left his home in his thirtieth year, went into the province of Aria, and, during ten years of solitude in the mountains, composed the Zend-Avesta."
Open Scriptures Hebrew Bible (WLC), CC BY 4.0