Saṁyojanasutta
Sāvatthiyaṁ viharati. “Saṁyojaniyesu, bhikkhave, dhammesu assādānupassino viharato taṇhā pavaḍḍhati. Taṇhāpaccayā upādānaṁ; upādānapaccayā bhavo; bhavapaccayā jāti; jātipaccayā jarāmaraṇaṁ sokaparidevadukkhadomanassupāyāsā sambhavanti. Evametassa kevalassa dukkhakkhandhassa samudayo hoti.
Fetters
At Sāvatthī. “There are things that tighten the fetters. When you concentrate on the gratification provided by these things, your craving grows. Craving is a requirement for grasping. Grasping is a requirement for continued existence. Continued existence is a requirement for rebirth. Rebirth is a requirement for old age and death, sorrow, lamentation, pain, sadness, and distress to come to be. That is how this entire mass of suffering originates.