X is T0 (since {x, p} is open for each x) but satisfies no higher separation axioms (because all non-empty open sets must contain p).
ˈɛks ɪz tˈiː zˈiəɹoʊ sˈɪns ˈɛks, pˈiː ɪz ˈoʊpən fɔːɹ ˈiːtʃ ˈɛks bˌʌt sˈæɾɪsfˌaɪz nˈoʊ hˈaɪɚ sˌɛpɚɹˈeɪʃən ˈæksɪəmz bɪkˈʌz ˈɔːl nˈɑːnˈɛmpti ˈoʊpən sˈɛts mˈʌst kəntˈeɪn pˈiː.