Cross reference
Isaiah 11:8
8 And the sucking child shall play on the hole of the asp, and the weaned child shall put his hand on the adder's den.
Psalms 140:3
3 They have sharpened their tongue like a serpent; Adders' poison is under their lips. Selah
Isaiah 59:5
5 They hatch adders' eggs, and weave the spider's web: he that eateth of their eggs dieth; and that which is crushed breaketh out into a viper.