[Mad Dawgg]

"Thought is pretty rare even today."

Nope, it is performed every day in the USA legally, in the name of "FREE CHOICE."

[Poincare]

I was going to say that I do not understand your comment, but in a rare act of thought I reasoned that you meant that human sacrifice was not rare.

In fact one might say, reversing the title, that "Thought is rarer than human sacrifice."