Avoid lying at all costs; prioritize moral obligations over physical needs; be mindful of words & actions; strive for honesty & integrity.

In this hadith, the Prophet Muhammad is emphasizing the importance of avoiding false speech and acting upon it. He states that if one does not leave false speech and act according to it, then Allah will not be in any need of him leaving his food and drink. This hadith teaches us that we should prioritize our moral obligations over our physical needs. We should strive to avoid lying at all costs, even if it means sacrificing something as basic as food or drink. This hadith also serves as a reminder for us to be mindful of our words and actions, since they can have a lasting impact on ourselves and those around us.