What does the Bible say about comfort for troubled hearts?

In John 14:1-11, Jesus speaks directly to His disciples, encouraging them not to let their hearts be troubled. He affirms their faith in God and urges them to trust in Him as well. This passage emphasizes that Jesus is preparing a place for His followers in His Father's house, a promise that conveys hope and comfort amidst their distress. The circumstances surrounding His impending crucifixion caused anxiety and confusion, yet Jesus reassures them of His constant presence and the eternal joy that awaits those who believe in Him.