He said this in an address via video link to The New York Times DealBook Summit, according to an Ukrinform correspondent.
"The war will end when we win or when the Russian Federation wants it. It may happen that Russia will want it when it feels that it is weak, that it is in isolation and that it has no partners in this issue. We will believe that this will end in the coming months," Zelensky said.
Russia started its full-scale invasion of Ukraine on February 24, 2022, having continued its military aggression that has lasted since 2014.