Because He is holy, for God is holy, He mediates for us the perfect holiness of God forever. Therefore, we worship the Lord in the splendor of His holiness (think of the seraphim around His throne) through the holiness of our Savior. And, our holy Mediator calls us to find our salvation, our hope, our sustenance, and our future in Him.
And as our perfect Mediator, our Lord “lives to make intercession” for us (Heb. 7:25), insuring that our continued fellowship with our heavenly Father is always according to His will.