Leviticus 13:34
And let the priest look on the breaking out the seventh day again: If the breaking out be gone no further in the skin nor more lower than the other skin, then let the priest judge him clean, and let him wash his clothes and then he is clean.
1 John 4:1
Ye beloved, believe not every spirit: but prove the spirits whether they be of God, or not: for many false prophets are gone out in to the world.
Jude 1:22
And have compassion on some, separating them:
Revelation 2:2
I know thy works, and thy labour, and thy patience, and how thou canst not forbear them which are evil: and examinedst them which say they are apostles, and are not: and hast found them liars.