The advice of a dying father. Please correct any mistake.

This is a story that I translated from Arabic:

A man was dying, so he called out for his son. The man said, "Dear son, your father is dying as you can see. Dear son, I have lived a full life 'till I reached a point where I start hating it. Son, I am going to give you some advice." Said the father. "If you used them, people around you are going to love and cherish you. First, be humble to people and they will respect you. Second, use your knowledge in helping them and they will follow you. Third, show compassion to their childish side and their adult side will love you." 
"And finally, give the people around you as much as you have, but don't expect anything in return."

I personally am not really that afraid to let people know that I'm eleven years old, so I can't really relate to the people who are keeping their age a secret. But I can assume that they either want their privacy, or they think that the fact that they're struggling with learning this language is childish and they are embarrassed. Or maybe there are some people who are around my age that are afraid to let anyone know anything about them because they are paranoid that somebody will swoop down and kidnap them, should they give out any information at all about themselves.