To expound a Scripture is to bring out of a text what is there and expose it to view... The opposite of exposition is imposition, which is to impose on the text what is not there.
Stott, I Believe in Preaching.
My endeavour is to bring out of Scripture what is there and not to thrust in what I think might be there. I have a great jealousy on this head: never to speak more or less than I believe to be the mind of the Spirit in the passage I am expounding.
Jesus taught profound truths in very simple ways, sadly today we do the exact opposite. We teach simple truths in profound ways, and a lot of the time we think we are being deep but we are just being muddy. Spurgeon wrote, 'A sermon is like a well. If there is anything in it, it appears bright and reflecting and luminous. But if there is nothing in it, it's deep and dark and mysterious...
J. John, Preach the Word
Preaching is not the proclamation of a theory, or the discussion of a doubt. A man has a perfect right to proclaim a theory of any sort, or to discuss his doubts. But that is not preaching. “Give me the benefit of your convictions, if you have any” said Goethe. We are never preaching when we are hazarding speculations. Of course we do so. We are bound to speculate sometimes. (but) ... Preaching is the proclamation of the Word, the truth and the truth has been revealed.