Matthew 5:47
And if you greet only your brethren, what more are you doing than others? Do not even the Gentiles do the same?
Matthew 5:20
For I tell you, that unless your righteousness exceeds that of the scribes and Pharisees, you will by no means enter the kingdom of heaven.
Luke 6:32
If you love those who love you, what credit is that to you? For even sinners love those who love them.
Luke 10:4-5
Carry no purse, no bag, no sandals; and greet no one on the road.
1 Peter 2:20
For what credit is it, if when you do wrong and are beaten for it you patiently endure? But if when you do right and suffer for it you patiently endure, you have favor with God.
Matthew 10:12
As you enter the house, give it your greeting.