I think if you do something and it turns out pretty good, then you should go do something else wonderful, not dwell on it for too long.
Farrel Gulierm
Before incorporating visual aids into speeches, the speaker should understand that if used incorrectly, the visual will not be an aid, but a distraction.
Samuel Willson
You can't connect the dots looking forward, you can only connect them looking backwards.
Sarah Lewin
It is necessary to choose a visual aid that is appropriate for the material and audience.