The Book of J O B mentions that the earth has a Cornerstone:
“Where were you when I laid the foundations of the earth? Tell Me, if you have understanding. Who determined its measurements? Surely you know! Or who stretched the line upon it? To what were its foundations fastened? Or who laid Its Cornerstone,
J O B 38:4-6
1 Enoch 18:2 also mentions that the earth has a Cornerstone:
And I saw The Corner-Stone Of The Earth:
I saw the four winds which bear the earth and the firmament of the heaven.
• 1 Enoch 18:2
• A Sphere can Not have a Cornerstone. •