How do we know Jesus Christ is the source of true happiness?

Jesus Christ is affirmed as the source of true happiness through both His nature and the experiences of believers. In the content presented, Christ is described as the 'fountain of all happiness,' implying that joy stems from His unfailing presence and love. Believers who have tasted His goodness report that nothing in this world can compare to the joy found in knowing Him. Scriptures such as Psalm 16:11 declare that 'in Your presence there is fullness of joy,' reinforcing that genuine happiness is rooted in a relationship with Christ, who is eternally satisfying and loving.