A boring-like speech given for an extended period of time by a so-called expert in his field for the sole purpose of teaching the audience a subject or valuable lesson.
Sermons are often delivered to the audience by total hypocrites, so please tread with caution.
1. Church sermons by a priest/pastor/preacher
2. Commencement addresses at graduation ceremonies
3. Parents to their children whenever they do something the parents used to do that they now feel is wrong
It is a complex oratorical form form with significant differences from religion to religion, denomination to denomination, region to region, and era to era.
Wid one hand He snatched
The sun from its socket,
And the other He clapped across the moon.
(by E.C.L. Adams 1876-1946 and published in 1928.)