I have long had in mind a plan to thwart death, but it required another with skill equal to mine--two such might live for ever. I have selected you to be that other, for reasons that I already have explained--they are undefiled by sentimentalism. I did not choose you because I love you, or because I feel friendship for you, or because I think that you love me, or feel friendship towards me. I chose you because I knew that of all the inhabitants of a world you were the one least likely to fail me.