Robert Cialdini six principles of persuasion, emphasizing their ethical use. Aula convinces Sam to support her idea using Reciprocity (doing favors first), Authority (showing credentials), Social Proof (having others support the idea), Commitment and Consistency (reminding past interest), Liking (building trust and rapport), and Scarcity (creating urgency). The key takeaway is to use these principles ethically to effectively persuade others without manipulation.