Majjhima Nikaya 5:105
SUJATOKiñcāpi so, bhikkhave, alagaddo tassa purisassa hatthaṁ vā bāhaṁ vā aññataraṁ vā aṅgapaccaṅgaṁ bhogehi paliveṭheyya, atha kho so neva tatonidānaṁ maraṇaṁ vā nigaccheyya maraṇamattaṁ vā dukkhaṁ.
And even though that cobra might wrap its coils around that person’s hand or arm or some other major or minor limb, that wouldn’t result in death or deadly pain.