What does Do not rejoice at my grief for when mine is old yours will be new mean?

Answer 1

This phrase is cautioning against taking pleasure in someone else's misfortune, as the speaker's pain may eventually be replaced by the listener's own suffering. It serves as a reminder of the cyclical nature of life's challenges and the importance of empathy and compassion. The message is to treat others with kindness and understanding, as the tables may turn in the future.

Answer 2

Essentially this means that you shouldn't take joy in the pain of others because when their pain subsides you could be experiencing pain of your own.