yohanaH 15:4

ataH kAraNAt mayi tiShThata tenAhamapi yuShmAsu tiShThAmi, yato heto rdrAkShAlatAyAm asaMlagnA shAkhA yathA phalavatI bhavituM na shaknoti tathA yUyamapi mayyatiShThantaH phalavanto bhavituM na shaknutha|