“For instance, a strange reflection suddenly occurred to me, that if I had lived before on the moon or on Mars and there had committed the most disgraceful and dishonourable action and had there been put to such shame and ignominy as one can only conceive and realise in dreams, in nightmares, and if, finding myself afterwards on earth, I were able to retain the memory of what I had done on the other planet and at the same time knew that I should never, under any circumstances, return there, then looking from the earth to the moon-should I care or not?”