A Friend (n.) who will betray everything confided to him is the most reliable thing in the world — if only one takes care what one confides; ask him to say something and he may not, but tell it under pledge of secrecy and it is sure to come out.
A Friend (n.) who complains that you did by mistake for a stranger what he thought you would do only for him — rest assured it is the friend who is wrong.
A Friend (n.) is easy to find for earthly advantage; but advertise for one “not for the sake of advantage” and you will have trouble finding anyone.
A Friend (n.) and hired servant may do exactly the same work for you, yet there is an infinite difference: the friend gives his love along with it, an extra worth infinitely more than what it is added to.
A Friend (n.) can only be Echo for the melancholic — loved because Echo gives his sorrow back without taking it away.
A Friend (n.) is not what philosophy calls the necessary other, but the superfluous third.
A Friend (n.) is like fog — seen only at a distance; only when one has become unfortunate does one remark that one had a friend.