Friendship is the source of the greatest pleasures, and without friends even the most agreeable pursuits become tedious.

Friendship is the only thing in the world concerning the usefulness of which all mankind are agreed.
Friendship is born at that moment when one person says to another: 'What! You too? I thought I was the only one.'
Friendship is the shadow of the evening, which increases with the setting sun of life.

Friendship is born at that moment when one person says to another, 'What! You too? I thought I was the only one.'
Friendship marks a life even more deeply than love. Love risks degenerating into obsession, friendship is never anything but sharing.