Effective speaking skills refer to the ability to communicate ideas, thoughts, and information verbally. Some sins of speaking include gossiping, judging, making excuses, complaining, negativity, dogmatism, and lying. The HAIL tool can help with effective speaking through honesty, integrity, love, and authenticity. Benefits of effective speaking include building self-confidence, enhancing critical thinking, increasing persuasive power, fostering better relationships, career advancement, and personal growth.