However, he told Ukrainians never to lose "our resilience", adding: "We are fighting for a future to be chosen by ourselves not the Russian Federation."
In order to do this, the embattled leader said the Ukrainian army has asked for an extra 450,000-500,000 men to be drafted.
"This is a sensitive issue," he said, but stated that he "needed more arguments to support this idea."
When asked if there was any possibility of "defeat", Zelensky confidently responded: "No."
He said: "We are not ready to give up, to let go, from day one to the last day this will be the same... and together we can bring this victory closer."
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