This verse serves as a powerful reminder that God is always faithful to assist us in times of need. In a world that is often unfaithful and untrustworthy, it highlights the difficulty of finding faithful people. God's faithfulness can be an inspiration for us to be faithful and loyal people ourselves. As we read it, it encourages us to be an example of faithfulness and loyalty to others and to be a light in a world that can be quite dark at times.
It appears that during the time of King David, there was a proliferation of wickedness on earth and a scarcity of godly individuals. It seemed as if even those who were faithful were hard to come by among humanity. Like David, we may feel surrounded by an evil and unfaithful generation, where there is little regard for righteousness and a disregard for the things of God.
In fact, it may appear that wickedness is widespread, and depravity is celebrated among mankind today. However, it is important to keep in mind that God is not mocked and is always attentive to the cries of His children. His perceived delay in judgment is a demonstration of His patience and grace towards sinful and rebellious mankind.

Dear Heavenly Father, I come to You today feeling the weight of unfaithfulness and wickedness in the world. I pray for Your help and guidance as I navigate through this difficult world. I ask that You open my eyes to see the faithful people around me and give me the strength to be faithful in my walk with You. I trust in Your faithfulness and Your love for me. I know that You are always listening to my cries and have a plan for my life. I trust in Your timing and Your purposes. 
In Jesus's name I pray. Amen.