What does the Bible say about true and false worshippers?

In Numbers 13, the account of the twelve spies sent to explore Canaan serves as a powerful illustration of true and false worshippers. The twelve men represent different responses to God's promises. Only Caleb and Joshua trusted God's assurance of a good land, interpreting their journey through faith, while the other ten displayed a lack of faith and brought back an evil report, revealing their unbelief. This narrative emphasizes that true worship involves faithfully trusting in God’s word and promises, while false worship is characterized by doubt and fear, leading to rebellion against God's commands.