God: "I looked for someone to take a stand for me, and stand in the gap" (Ezekiel 22:30)
Too often, what we call convictions are actually preferences. Real convictions are based on revealed truth (that is, Scripture). Preferences are based on personal desire. Convictions are constant; preferences change with desire. Convictions demand faith; preferences rely on the emotions of the moment.
The devil would have Christ prove Himself to be God, by turning stones into bread; but the Holy Ghost shows His Godhead by turning stones into flesh (Eze. 36:26).