And Ukraine... I've been unable to find any meaningful and direct quote from Russian military/political leaders stating they expected to immediately capture the city, but you can find plentiful US sources predicting exactly that:
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"The sources said that the initial US assessment from before the invasion – which anticipated that the Ukrainian capital would be overrun within one to four days of a Russian attack – remains the current expectation." [1]
"Milley (Chairman of the Joint Chiefs of Staff) told lawmakers during closed-door briefings on Feb. 2 and 3 that a full-scale Russian invasion of Ukraine could result in the fall of Kyiv within 72-hours, and could come at a cost of 15,000 Ukrainian troop deaths and 4,000 Russian troop deaths." [2]
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It seems that the narrative largely swapped to this all being Putin's plan once it didn't work as out like our military/intelligence agencies expected.
[1] - https://edition.cnn.com/2022/02/25/politics/kyiv-russia-ukra...
[2] - https://www.foxnews.com/us/gen-milley-says-kyiv-could-fall-w...