Be not deceived; evil companionships corrupt good morals.

Become not unequally yoked with unbelievers; for what fellowship have righteousness and lawlessness? And what communion has light with darkness?

And Jesus, passing on thence, saw a man, called Matthew, sitting at the tax-office, and He saith to him, "Follow Me." And, rising up, he followed Him. And it came to pass, as He was reclining at table in the house, behold, many tax-collectors and sinners, having come, were reclining with Jesus and His disciples. And the Pharisees, seeing it, said to His disciples, Why is your Teacher eating with the tax-collectors and sinners?"read more.
And Jesus, hearing it, said, "Those who are well have no need of a physician, but those who are ill. But, going, learn what this means: 'I desire mercy, and not sacrifice;' for I did not come to call the righteous, but sinners."

And He goeth up into the mountain, and called to Himself those whom He wished.

And it came to pass soon afterwards, that He was passing through by city and village, preaching and proclaiming the good news of the Kingdom of God; and the twelve were with Him; and certain women who had been healed of evil spirits and infirmities, Mary who is called Magdalene, from whom seven demons had gone out, and Joanna wife of Chuzas Herod's steward, and Susanna, and many others, who were ministering to them of their substance.

Lay hands hastily on no one, neither be partaker of other men's sins. Keep yourself pure.