The theme <em>"True strength is knowing when not to act"</em> is very well developed in the evolution that Odysseus went through. At the beginning, he was very arrogant and he had difficulty to control his anger. But he later changed and became humble, he also developed self-control and learned to control his anger until the right moment. The theme "<em>True strength is known when not to act"</em> is clearly stated by the fact that Odysseys waited for the perfect moment to seek revenge on the suitors.
What you're thinking of is "dialogue", which is speech between characters. Dialect is a particular form of a language that is peculiar to a specific region or social group. So the answer would be, “Lookia my frien, no be play we come play for your house.”
