What does put your hand to the plow means?

"Put your hand to the plow" is an idiomatic expression that means to commit oneself to a task or endeavor and to work diligently towards it. It often implies that once you start a task, you should not look back or abandon it, similar to how a farmer must focus on plowing straight rows for a successful harvest. The phrase emphasizes the importance of dedication and perseverance in achieving goals.