Psalm 138:2:

I will worship toward thy holy temple, and praise thy name for thy lovingkindness and for thy truth: for thou hast magnified thy word above all thy name.

See also:

Forever Settled
How Can I Get Rid of Unbelief?
What Can You Say to Someone Who Just Lost a Loved One to Sickness?
Objection: We Cannot Demand Healing from God Because God Is Sovereign
Objection: You Never Know What God Will Do
Objection: The Faith Confession Movement Tends Strongly to Emphasize God’s Faithfulness at the Expense of God’s Freedom
Objection: Faith Teaching Reduces a Personal God to a Set of Formulas