The appeal was published on the website of the President of Ukraine.
“You need to exhale, calm down, do not run for buckwheat and matches,” he said.
According to him, Ukraine has "a strong, courageous army ready for every day."
Zelensky said that his every morning begins with receiving information about the real situation in the Donbass and near the Ukrainian borders.
He also said that in Ukraine they are aware of all possible threats and understand what response actions can be taken.
He also said that the Ukrainian authorities are doing everything to resolve situations through diplomatic means.
Earlier, US Secretary of State Anthony Blinken called plans for meetings in Kiev, Berlin and Geneva a diplomatic attempt to reduce tensions in the situation around Ukraine.
The Kremlin said that Russia was not going to attack anyone.