That's true , if you wanted to live in the 8th century>
They also gave us geometry.
But no civilized inventions since ... ??
Attribute it to inbreeding , dementia, and wife and children considered as 'property'
No matter, ...obviously, property is expendable when it comes to INVASION !
i hope we play cowboys and muslims soon
t
Geometry was invented by the Greeks. The Babylonians and East Indian may had some early starts, but the Greeks developed geometry before Christ, as we think of it.
https://en.wikipedia.org/wiki/History_of_geometry