Faithfulness has two different meanings. If we mean the faithfulness of God or Jesus, it refers to steadfastness, honesty, firmness, and God’s utter dependability based on His unchanging character. If we mean human faithfulness, it refers to our steady allegiance to God and our trust in Him. A “faithful” man is “full of faith”; he believes in the reality of God as revealed in Scripture.
If we are full of faithfulness, we believe God; we trust that He always has our best interests at heart. We trust that we are ultimately safe. We believe that He loves us (John 3:16); He wants to be with us (John 14:2); He is powerful enough to save us (John 14:6); and He is working in us (Philippians 1:6). And we live with the confidence that we will receive God’s promised blessings, even if we never see them in this lifetime.
Faithfulness is necessary when God’s promises seem to completely contradict what we see. When God’s ways are hidden from us (Isaiah 45:15), when evil strikes, when hardships come one right after another—that’s when we need the Spirit to produce His fruit of faithfulness in us.
Faith is the opponent of fear. Faith protects us from fear, and fear erodes faith. Ephesians 6:13-17 lists the armor of God. Faith, “in addition to all,” is the shield. If our shield of faith is strong enough to put out all the flaming arrows of the enemy, we are spiritually invulnerable.
God is faithful, and He grants that quality to His children. The Holy Spirit produces in believers His faithfulness. As a result, we believe God is Who He says He is and that He will do what He says He will do. His faithful character directly affects our lives. We have nothing to fear as we wait for Him to fulfill His promises. This assurance is a fruit of the Spirit.
Below is taken from MY UTMOST FOR HIS HIGHEST
It is only a faithful person who truly believes that God sovereignly controls his circumstances. We take our circumstances for granted, saying God is in control, but not really believing it. We act as if the things that happen were completely controlled by people. To be faithful in every circumstance means that we have only one loyalty, or object of our faith— the Lord Jesus Christ. God may cause our circumstances to suddenly fall apart, which may bring the realization of our unfaithfulness to Him for not recognizing that He had ordained the situation. We never saw what He was trying to accomplish, and that exact event will never be repeated in our life. This is where the test of our faithfulness comes. If we will just learn to worship God even during the difficult circumstances, He will change them for the better very quickly if He so chooses.
Being faithful to Jesus Christ is the most difficult thing we try to do today. We will be faithful to our work, to serving others, or to anything else; just don’t ask us to be faithful to Jesus Christ. Many Christians become very impatient when we talk about faithfulness to Jesus. Our Lord is dethroned more deliberately by Christian workers than by the world. We treat God as if He were a machine designed only to bless us, and we think of Jesus as just another one of the workers.
The goal of faithfulness is not that we will do work for God, but that He will be free to do His work through us. God calls us to His service and places tremendous responsibilities on us. He expects no complaining on our part and offers no explanation on His part. God wants to use us as He used His own Son.
Wisdom From Oswald Chambers
“When the Son of man cometh, shall He find faith on the earth?” We all have faith in good principles, in good management, in good common sense, but who amongst us has faith in Jesus Christ? Physical courage is grand, moral courage is grander, but the man who trusts Jesus Christ in the face of the terrific problems of life is worth a whole crowd of heroes. The Highest Good, 544 R
practical insanity 
It is in placing our trust in Him that our load is lightened. Dad and I know that for a fact.
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