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

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.

Man's best support is a very dear friend.

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

The best kind of friend is the kind you sit with, never say a word and walk away feeling like it was the best conversation you ever had.

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

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

A friend is one who has the same enemies as you have.

It is one of the blessings of old friends that you can afford to be stupid with them.

I get by with a little help from my friends.

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

Walking with a friend in the dark is better than walking alone in the light.

Friendship with oneself is all-important, because without it one cannot be friends with anyone else.

Knowing your own darkness is the best method for dealing with the darknesses of other people.

True friends ... face in the same direction, toward common projects, interests, goals.

The strength of a nation derives from the integrity of the home.

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

My best friend is the one who brings out the best in me.

Anybody amuses me for once. A new acquaintance is like a new book. I prefer it, even if bad, to a classic.

Without friends no one would choose to live, though he had all other goods.

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