Any soldier must have a weapon. The Christian soldier's weapon is the Sword and we are commanded to "take the sword of the Spirit."
In our service to Jesus we are in an ever present spiritual battle. If you are not fighting the fight you are already losing it.
Failure to learn obedience when we are young, whether physically young or spiritually young, leads to stunted growth and future disobedience.
The opposite of unwise is understanding. If we are understanding of whose we are we will walk in submission.
Believer, We are the church, and our behavior is to prove light and reprove darkness, redeeming the time.
As Christians, we should not fit in with those outside the family of God. If they are apples we had better be oranges.
Showing Maturity are the evidences we have grown up. Evidence we have been renewed is seen in the putting off of our flesh.
The consistent walk of spiritual maturity is in separation. If you are grown up you will not act childishly.