Adversity tests the sincerity of friends.

There is no friend as loyal as a book.

Man's best support is a very dear friend.

Between friends there is no need of justice.

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.

Misfortune shows those who are not really friends.

Friendship is nothing else than an accord in all things, human and divine, conjoined with mutual goodwill and affection.

I must study politics and war that my sons may have liberty to study mathematics and philosophy.

No one who can read, ever looks at a book, even unopened on a shelf, like one who cannot.

It is easier to forgive an enemy than to forgive a friend.

We make our friends; we make our enemies; but God makes our next-door neighbour.

The more you let yourself go, the less others let you go.

As in the case of wines that improve with age, the oldest friendships ought to be the most delightful.

Be slow to fall into friendship, but when you are in, continue firm and constant.

A doubtful friend is worse than a certain enemy. Let a man be one thing or the other, and we then know how to meet him.

There is some self-interest behind every friendship. There is no friendship without self-interests. This is a bitter truth.

Friendship is love without his wings!

Real friends stab you in the front.

The meeting of two personalities is like the contact of two chemical substances: if there is any reaction, both are transformed.

Marriage has no guarantees. If that's what you're looking for, go live with a car battery.

We should behave to our friends as we would wish our friends to behave to us.