"Judge not, that ye be not judged" (Matthew 7:1) "My brethren, it is given unto you to judge" (Moroni 7:15)

How do we reconcile the two scriptural statements above? One appears to directly contradict the other.

It's possible that you've heard the above verse from Matthew quoted in various situations. It usually goes something like this:

Follower of Christ: "This type of behavior goes against the Word of God."

Person engaging in said behavior: "The Bible also says, 'Judge not, that ye be not judged'!"