Change horses in midstream
Meaning: to change plans or leaders in the middle of some action or event
Example: The president told the people that if they wanted the country to continue to move forward, they should reelect him. He said that to elect his opponent would be like changing horses in midstream.
Example: The president told the people that if they wanted the country to continue to move forward, they should reelect him. He said that to elect his opponent would be like changing horses in midstream.