Euro zone leaders will fight to the finish to keep near-bankrupt Greece in the euro zone on Sunday after the European Union's chairman cancelled a planned summit of all 28 EU leaders that would have been needed in case of a "Grexit". The following are comments from the euro zone leaders and others attending a meeting in Brussels on Sunday. The Greeks have actually strengthened their commitment to change and to building trust which seems to be a fundamental issue." LITHUANIA PRESIDENT DALIA GRYBAUSKAITE "Both possible scenarios, staying in the euro zone or outside, in both cases Europe will be behind Greece and help, but it will be in both cases very, very costly for everybody and a very long way out.