How Politeness and Gifts Make You Prosper

No one can avoid interacting with others, and besides honesty, there are two essential skills for dealing with people. First, always be polite—after all, courtesy never goes unrewarded. Second, learn to give gifts; this is not bribery but a way to express your sincerity.
Seeking favors requires sincerity, and only then will others treat you with the same respect.