Answer:
Put the strongest argument or reason or information as the last point.
Step-by-step explanation:
In speech, and in general, the final words are the most important. It is true that, in order to obtain attention, you need to have an intriguing argument to start with. But donĀ“t play all your key cards at once. Save them for the last to make your argument even more convincing then all what you already have said - or have been hinting at - in less obvious terms.