I have been pondering this conundrum for days.
That one's pretty straightforward:deep thought: does a mouse's life matter? if not, why does a human's life matter? what makes a human's life more valuable than a mouse's life? intelligence? if that's the case, stupid people's lives matter significantly less than a normal person's life and retard lives are worth no more than a monkey or dolphin's life.
I used to think so