the ear
Job 6:30
Is there iniquity in my tongue? cannot my taste discern perverse things?
Job 12:11
Doth not the ear try words? and the mouth taste his meat?
1 Corinthians 2:15
But he that is spiritual judgeth all things, yet he himself is judged of no man.
Hebrews 5:14
But strong meat belongeth to them that are of full age, even those who by reason of use have their senses exercised to discern both good and evil.
mouth
Job 31:30
Neither have I suffered my mouth to sin by wishing a curse to his soul.
Job 33:2
Behold, now I have opened my mouth, my tongue hath spoken in my mouth.