Germany on Monday voiced "cautious optimism" that the conflict in Libya could be resolved, after international talks aimed at seeking long elusive peace for the wartorn country. "We believe that there is now a window in which much has become possible that was not possible before. I think we must seize that," said Foreign Minister Heiko Maas after co-chairing with the United Nations talks that involved the warring Libyan sides. "There is reason for cautious optimism -- we see increasingly signs of a switch from a militaristic to a political logic," the minister said.