The Mountain - 52:30 "Or do they say, "He is a poet, we are waiting for him to die"?"
Related:
The Prophets/21:34 We did not make any human being immortal before you. If you die, will they remain eternal?
The Prophets/21:35 Every soul will taste death. We test you with good and evil events as a test, and to Us is your return.
The Prophets/21:36 "When the disbelievers (those who cover the truth) see you, they do not react except to make you the target of their mockery, saying, "Is this the one who talks about your gods?"They completely deny the message of the Most Merciful."

The Mountain/52:29 You give advice. By the favor of your Lord towards you, you are neither a seer nor a madman.
The Mountain/52:30 "Or do they say, "He is a poet, we are waiting for him to die"?"