A person who seeks to understand others is wise. Understand that people perform for their own reasons not yours. People cannot motivate other people, they can create an environment where others motivate themselves . When asking someone for something, think about what's in it for them. Demonstrate appreciation and gratitude.
Positive feedback feels good.
Thank everyone who does a task, or favor for you. Be genuine, specific, timely, and personal. People become more likable by demonstrating appreciation and gratitude. Keep your promises. Credibility and promise keeping are like Siamese twins, they are joined together.