Mateus 3

But when he saw many of the Pharisees and Sadducees come to his baptism, he said unto them, O generation of vipers, who hath warned you to flee from the wrath to come?
*
Fariseus (grupo religioso focado na Lei) e saduceus (elite sacerdotal que negava a ressurreição) são chamados de 'víboras'. A crítica é à hipocrisia: mesmo buscando o batismo, não demonstravam arrependimento real (veja Mateus 12:34).
Bring forth therefore fruits meet for repentance: