Muhammad al-Baqir
The parable of a man greedy of this world is the parable of the silk worm: the more it winds the thread round itself the farther it becomes from salvation, until it dies of grief.

Source

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  • Muhammad Kulayni, Usūl al-Kāfī - Book of Faith and Infidelity, vol.3, p.202 & vol.2, p.316