People don't realize that these aren't words, rather they are an action. The only thing is, is that this action is not a Palestinian or a Hamas action, but rather a Syrian one. Syria is telling Israel and the US that in return for a peace treaty, they'll make sure that Meshal moderates.
Donald Trump: Israeli settlement construction in West Bank should 'keep going' (Haaretz)
from the article: Hamas denies Meshal said group would consider recognizing Israel