[SunkenCiv]

No one has said it did. Islam spread by conquest (stretching) from Spain to Persia in under a century.

[Travis McGee]

I thought it was a pretty simple idea, not needing long explanations, but apparently so.

Anyway, I always lean to the fewest words possible in a meme.

Any word I can cut out, is gone. For example, this one. The grammar is very lean.