Be select in your friends, but miscellaneous in your acquaintances. Ask not sympathy from the latter nor assistance from the former.
If you would keep friends, shun explanations.
If you doubt the persistence in adversity of what is called friendship, make friends with an impecunious debtor.
Men admire women who try to please them; women admire men who, they believe, have qualities worthy of admiration.
We like those who can be useful to us, and love those to whom we can be useful.