What should Christians do if they feel uncertain about their faith?

Uncertainty in faith can be met with a heartfelt prayer for clarity and strength. As seen in Mark 9:24, we can cry out, 'I believe; help my unbelief!' This reflects a genuine plea for God's intervention in our wavering faith. The reliance on God's power, rather than our understanding, is crucial. The sermon iterates that faith itself is a gift from God, and in acknowledging our doubts, we should turn to Him for assurance and the grace to truly believe. Hence, we must engage in earnest prayer and scripture reading, seeking fellowship with other believers who can encourage us in our walk.