What does the Bible say about the Word of God as a guide?

Psalm 119:105 emphasizes the critical role of God's Word in our lives, portraying it as a lamp and light that guides our decisions and actions. Through His Word, believers gain insight into their duties toward God and others, understand their shortcomings in righteousness, and learn what is pleasing to God. John Gill elaborates that the Word helps illuminate our understanding of sin, righteousness, and the merciful nature of God through Christ. It serves as a guide in a dark world, helping us discern truth from error and navigate the complexities of life while walking in godliness.