C.s. Lewis said this quote
“ ...if you give such a creature two blows with a whip, there are, indeed, two pains: but there is no co-ordinating self which can recognise that 'I have had two pains'. ”
“ ...if you give such a creature two blows with a whip, there are, indeed, two pains: but there is no co-ordinating self which can recognise that 'I have had two pains'. ”