It was the age-old conundrum: How do I know that the ‘me’ who wakes after a night’s sleep is the same ‘me’… — Charles Sheffield

It was the age-old conundrum: How do I know that the ‘me’ who wakes after a night’s sleep is the same ‘me’ who went to bed? I don’t. I merely employ it as a working assumption, for lack of anything better.

p. 319Source: Wikiquote · CC BY-SA 4.0