The meeting of two personalities is like the contact of two chemical substances: if there is any reaction, both are transformed.
Between friends there is no need of justice.
Friends are nothing but a known enemy
Tis a great confidence in a friend to tell him your faults; greater to tell him his.
My best friend is the man who in wishing me well wishes it for my sake.
Adversity tests the sincerity of friends.
Man's best support is a very dear friend.
Let there be no purpose in friendship save the deepening of the spirit.
There is some self-interest behind every friendship. There is no friendship without self-interests. This is a bitter truth.
I must study politics and war that my sons may have liberty to study mathematics and philosophy.
Good friends, good books and a sleepy conscience: this is the ideal life.
Friendship was given by nature to be an assistant to virtue, not a companion in vice.
If you have a candle, the light won't glow any dimmer if I light yours off of mine.
A friend is, as it were, a second self.
A friend to all is a friend to none.
True friends ... face in the same direction, toward common projects, interests, goals.
There is a magic in the memory of a schoolboy friendship. It softens the heart, and even affects the nervous system of those who have no heart.
You will never be happy if you continue to search for what happiness consists of. You will never live if you are looking for the meaning of life.
The strength of a nation derives from the integrity of the home.
The shifts of fortune test the reliability of friends.
Misfortune shows those who are not really friends.