Why is it important to preach sound doctrine?

Paul warns in 2 Timothy 4:3-4 that a time will come when people will not endure sound doctrine but will seek teachers who tell them what they want to hear. This underscores the importance of sound doctrine; it is the foundation upon which faith is built. The church is called not only to share the good news but to reprove and rebuke errors with Scripture (2 Timothy 4:2). Without a commitment to sound doctrine, the church risks conforming to the whims of society rather than adhering to the enduring truths of Scripture, leading to a diluted gospel that lacks the power to save. Thus, faithful preaching of sound doctrine is essential for the spiritual health and growth of believers.