And he who searches hearts knows what is the mind of the Spirit, because the Spirit intercedes for the saints according to the will of God.
Romans 8:27 (ESV)
Walk in wisdom toward outsiders, making the best use of the time. Let your speech always be gracious, seasoned with salt, so that you may know how you ought to answer each person.
Colossians 4:5-6 (ESV)
For as in one body we have many members, and the members do not all have the same function, so we, though many, are one body in Christ, and individually members one of another.
Romans 12:4-5 (ESV)