Adversity tests the sincerity of friends.

You are my best friend as well as my lover, and I do not know which side of you I enjoy the most. I treasure each side, just as I have treasured our life together.

A good friend will always stab you in the front.

Tis a great confidence in a friend to tell him your faults; greater to tell him his.

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

Misfortune shows those who are not really friends.

A blow from your friend is better than a kiss from your enemy.

It goes without saying that you should never have more children than you have car windows.

Rashness is the faithful, but unhappy parent of misfortune.

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.

Friends are God's way of apologizing for your family.

Each friend represents a world in us, a world possibly not born until they arrive, and it is only by this meeting that a new world is born.

Real friends stab you in the front.

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

I no doubt deserved my enemies, but I don't believe I deserved my friends.

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

Two possibilities exist: either we are alone in the Universe or we are not. Both are equally terrifying.

So long as the memory of certain beloved friends lives in my heart, I shall say that life is good.

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

There is no friend as loyal as a book.

I not only use all the brains I have, but all I can borrow.