A.W. Pink, The Attributes of God.
God is true. His Word of Promise is sure. In all His relations with His people God is faithful. He may be safely relied upon. No one ever yet really trusted Him in vain. We find this precious truth expressed almost everywhere in the Scriptures, for His people need to know that faithfulness is an essential part of the Divine character. This is the basis of our confidence in Him.
A.W. Pink, The Attributes of God.