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[Oberon]

Originally Posted by Rockstar

My thoughts are division came when great minds nolonger saw church leaders as an authority and as the church leaders began to see their authority diminish.

That makes sense enough. I think we'd probably say that was around the late 1500s, early 1600s.

Originally Posted by Sailor Steve

I can't. I can only fall back on Descartes' first principle, and even then I accept the concept that I may be wrong.

A horse walks into a bar. The bartender asks the horse if it's an alcoholic considering all the bars he frequents, to which the horse replies "I think not!" POOF! The horse disappears.
This is the point in time when all the philosophy students in the audience begin to giggle, as they are familiar with the philosophical proposition of Cogito ergo sum, or I think, therefore, I am.
But to explain the concept aforehand would be putting Descartes before the horse.