The phrase "lift up your hearts" is often used to encourage a sense of positivity and hope. However, there are several synonyms that can be used to convey a similar sentiment. For example, "be uplifted" encompasses the idea of feeling inspired and encouraged. "Elevate your spirit" suggests a sense of rising above negative emotions and finding inner peace. "Raise your morale" is another option, emphasizing the importance of maintaining a positive attitude in challenging times. Ultimately, no matter which synonym is used, the goal is to inspire individuals to focus on the good in life and stay optimistic even when faced with difficulties.