1 Corinthians 12:7:

But the manifestation of the Spirit is given to every man to profit withal.

See also:

Who You Are and What You Have
Healing and Prayer
Boldness to Minister Healing
How to Be Baptized with the Holy Spirit
Are Impartations and Impartation Services Biblical?
Can I Pray a Certain Prayer to MAKE God Use Me in Certain Spiritual Gifts?