Leviticus 15:4

The man who has a discharge makes everything he lies on or sits on unclean.

1 Corinthians 15:33

Do not be deceived: Bad company corrupts good morals.

Ephesians 5:11

Have no fellowship with the unfruitful works of darkness, but instead reprove (expose) (convict) them.

Titus 1:15

To the pure all things are pure, but to those who are defiled and unbelieving nothing is pure. Both their mind and their conscience are defiled.

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.

General references

Bible References

Be unclean

1 Corinthians 15:33
Do not be deceived: Bad company corrupts good morals.
Ephesians 5:11
Have no fellowship with the unfruitful works of darkness, but instead reprove (expose) (convict) them.
Titus 1:15
To the pure all things are pure, but to those who are defiled and unbelieving nothing is pure. Both their mind and their conscience are defiled.

General references

Leviticus 15:20
Everything she lies on or sits on during her period will be unclean.