William Secker says - (Lanctantius reports)

"Lanctantius reports, that the heathens were wont to say, 'The master could not be good, when his disciples were so bad."
The Nonsuch Professor p.13

For I say unto you, That except your righteousness shall exceed the righteousness of the scribes and Pharisees, ye shall in no case enter into the kingdom of heaven.

Matthew 5:20