biblical usage, the heart is “the willing, loving, thinking centre of the person.”9 The heart is also the control center of our lives, and thus the use of our gifts is governed by the condition of our hearts.10 Our talents can be useful for building the kingdom of God but only to the extent that our hearts are committed to the glory of God. When our hearts turn away from God, even the gifts that he has given will be used against him. This is a sober warning for anyone who is strongly gifted, because