Good old Descartes. At least for myself, some things hint (though not prove irrefutably) that there are or were consciousnesses other than my own. There are s

Good old Descartes. At least for myself, some things hint (though not prove irrefutably) that there are or were consciousnesses other than my own. There are some ideas, some questions, and some solutions that I would never think of. Yet the information is there if I so choose to explore.