Often Christians can become discouraged or even depressed about their life and consequently about their faith.  When that happens, Satan moves in.  But there is hope......

Proverbs 13:12  "Hope deferred makes the heart sick, but a longing fulfilled is a tree of life."

Ephesians 1:18  "I pray that the eyes of your heart may be enlightened in order that you may know the hope to which he has called you, the riches of his glorious inheritance in his holy people..."