How do we know the importance of the seriousness of preaching?

In 2 Timothy 4:1, Paul charges Timothy in the presence of God and Christ Jesus, emphasizing that preaching is not a task to be taken lightly. This has profound implications, as it indicates that Timothy's preaching will be judged by Christ. The preacher carries a stewardship that must be handled with utmost seriousness, knowing that every word will be scrutinized. The gravity of this charge compels preachers to diligently honor the call to preach, understanding that failure to do so not only endangers their own ministries but also the spiritual well-being of those to whom they preach.