1 Corinthians 15:33

Make no mistake about this: 'bad company is the ruin of good character.'

Ephesians 5:11

Have nothing to do with the fruitless enterprises of the darkness; rather expose them.

Titus 1:15

For the pure all things are pure, but nothing is pure for the polluted and unbelieving; their very mind and conscience are polluted.

Treasury of Scripture Knowledge

Summary

Every bed, whereon he lieth that hath the issue, is unclean: and every thing, whereon he sitteth, shall be unclean.

Bible References

Be unclean

1 Corinthians 15:33
Make no mistake about this: 'bad company is the ruin of good character.'
Ephesians 5:11
Have nothing to do with the fruitless enterprises of the darkness; rather expose them.
Titus 1:15
For the pure all things are pure, but nothing is pure for the polluted and unbelieving; their very mind and conscience are polluted.