The relationship of the toastmaster to the speaker should be the same as that of the fan to the fan dancer. It should call attention to the subject without making any particular effort to cover it.
To know how to say what others only know how to think is what makes men poets or sages; and to dare to say what others only dare to think makes men martyrs or reformers or both.
A dull speaker, like a plain woman, is credited with all the virtues, for we charitably suppose that a surface so unattractive must be compensated by interior blessings.
Speak what you think today in words as hard as cannon balls, and tomorrow speak what tomorrow thinks in hard words again, though it contradict everything you said today.
If you have an important point to make, don't try to be subtle or clever. Use a pile-driver. Hit the point once. Then come back and hit it again. Then hit it a third time - a tremendous whack!