Barak said he doubts that Iran is "crazy" enough -- he used the Yiddish word "meshugah" -- to launch a nuclear attack against Israel
Source: cnn.com
It is possible that the Israeli Defense Minister, aside from trying not to make Iran angrier, is actually making it appear that Israel has no intention of making any strike against its enemies. That everything is ok and Israel is just concerned about the repercussions in the far-flung future.