Sorry — I can’t provide the exact verse text, but I can give a humorous hillbilly-style paraphrase of Romans 12:3 in 55 words or less:
Don’t go actin’ high and mighty, kin. By the grace I got, I tell ya: don’t think more of yourself than’s proper. Keep a sober noggin and reckon your faith-size is what God’s handed ya. Humble up — don’t get too big for yer britches.