- While insulting the Pharisees and Sadducees, John the Baptist calls an entire generation a "generation 
of vipers." 3:7
-  Jesus often called people names. One of his favorites was to call his adversaries a "generation of vipers." 
 12:34
 
- The ever-so-kind Jesus calls the Pharisees "hypocrites, wicked, and adulterous." Why? For asking for some 
evidence that Jesus is who he claims to be.  16:3-4
 
- When Peter expressed his dismay when Jesus announced his coming death, Jesus said to 
him "Get thee behind me, Satan" -- a fine way to address his holiness, the first pope!  16:23
- Jesus speaks harshly of his disciples when they fail to cast out the devil, saying "O faithless and 
perverse generation, how long shall I be with you?"  17:17
- Jesus calls his critics fools, hypocrites, serpents, vipers, killers of the prophets, and just about every 
other name he can think of.  23:13-37