You can't take a horse to water
An old Canadian expression meaning you can't physically take someone and force them to do what they absolutely don't want to do.
Putin needs to learn what you can't take a horse to water means. The Ukrainians won't just roll over and give him their country.
You can't take a horse to water
You can't force a person to do what they don't want to do.
You can't take a horse to water is a useful phrase to learn when making friends.