Read this quote closely "Formal recognition of Israel could only be considered by Hamas once such a Palestinian state is established, said Meshal" Basically its an open door for hamas to continue terror attacks against Isreal, and to continue denying Isreals right of existance. All he is saying is that hamas will only ever "consider" to recognise Isreal after all of hamas terms and conditions are met, and even then it is no garentee.
Opposition leader Isaac Herzog to speak at anti-violence rally in Tel Aviv on Sat. night (Haaretz)
from the article: Hamas denies Meshal said group would consider recognizing Israel