Kindle Notes & Highlights
Descartes proclaimed 'I think therefore I am'. Other people may rely on consciousness of different phenomena to reassure themselves that they still exist, but toothache provides almost everyone with unarguable confirmation of their existence.
Despite that we can peer into the hearts of stars and atoms; our psychology remains primitive. Arguably we have little more real psychological knowledge than the ancient Greeks did. The destruction of all books on psychology would have no serious consequences at all.