Martin Heidegger argued that the relation between the subject and object is ambiguous, as is the relation of mind and body, and part and whole.
mˈɑːɹtɪn hˈaɪdɛɡɚɹ ˈɑːɹɡjuːd ðætðə ɹᵻlˈeɪʃən bᵻtwˌiːn ðə sˈʌbdʒɛkt ænd ˈɑːbdʒɛkt ɪz æmbˈɪɡjuːəs, ˌæzˌɪz ðə ɹᵻlˈeɪʃən ʌv mˈaɪnd ænd bˈɑːdi, ænd pˈɑːɹt ænd hˈoʊl.