In order that one travail this life and avoid some major pitfalls, he needs the Word of God to be a lamp to his feet. It is the Word of God that keeps one from stumbling in the dark. This world is full of evil. One must 'be alert and of sober mind. Your enemy the devil prowls around like a roaring lion looking for someone to devour (1 Peter 5:8). Let the Lord lead you. The Lord is our shepherd and must be obeyed. One mustn't lean to his own understanding; there needs to be a wholehearted trust in the Lord (Proverbs 3:5). There is no reason not to trust in God."God deprives the leaders of the earth of their reason; He sends them wandering through a trackless waste, so they grope in darkness with no light, becoming like staggering drunks (Job 12:24-25). Let the Lord be your light.
"Some trust in chariots, and some in horses: but we will remember the name of the Lord our God (Psalm 20:7).The Lord is my light and my salvation; whom shall I fear? the Lord is the strength of my life; of whom shall I be afraid? (Psalm 27:1). "Thy word is a lamp unto my feet, and a light unto my path (Psalm 119:105).