Faithful

"Lord, You are my God; I will exalt you and praise your name, for in perfect faithfulness you have done marvelous things, things planned long ago." Isaiah 25:1
There is no greater degree of faithfulness. Jeremiah declares God's faithfulness great in regards to His compassions that never fail. (Lam. 3:23) Psalm 117 proclaims that the faithfulness of the Lord endures forever. David, in Psalm 57 describes God's faithfulness as reaching to the skies.
What is God's faithfulness to? He is faithful to His own character. All that He has proclaimed Himself to be, all that He displays Himself to be; that He will faithfully be. What He says He will do, what He says He will be; that He will do and be...always...perfectly. We are the benefactors of His faithfullness.
It follows then, that if we are convinced of God's faithfulness, we will trust. Trust that who God has proved Himself to be, He will be to me. He is not saying that His faithfulness means that situationally all will go as I think it should. If I am trusting in God's faithfulness, than I am trusting that in each and every situation, God will be wholly Himself (love, righteous, just, compassionate, all-powerful, all-knowing, sustainer, holy...) and that is all I need: God Himself: perfectly faithful.