Jesus initially refuses to cast out a devil from a Syrophoenician (non-Jewish) woman's daughter, calling the woman a "dog". After much pleading, he finally agrees to cast out the devil. 7:27

"Get thee behind me, Satan." When Peter expressed his dismay about Jesus' coming death, Jesus said to him "Get thee behind me, Satan" -- a fine way to address his holiness, the first pope! 8:33

"This adulterous and sinful generation"
Jesus accuses an entire generation (his contemporaries) of sinfulness and adultery. 8:38

Jesus gets mad at his disciples for failing to cast out a devil and says, "O faithless generation, how long shall I be with you? how long shall I suffer you? 9:19