חֹֽבְרֹ֛ת אִשָּׁ֥ה אֶל־אֲחוֹתָ֖הּ כַּנְפֵיהֶ֑ם לֹא־יִסַּ֣בּוּ בְלֶכְתָּ֔ן אִ֛ישׁ אֶל־עֵ֥בֶר פָּנָ֖יו יֵלֵֽכוּ׃
their wings were joined one to another; they turned not when they went; they went every one straight forward.
Read Jewish philosophical commentary on Ezekiel 1:9: and classical philosophical sources.