God: "I looked for someone to take a stand for me, and stand in the gap" (Ezekiel 22:30)
Simplicity in expression is of utmost importance. The teacher should speak so that even children and people who cannot read may be able to understand him, as far as the natural mind can comprehend the things of God. Every congregation has people of various educational and social backgrounds. The expounder of the truth of God speaks for God and for eternity. It is unlikely that he will benefit the hearers unless he uses plain speech.