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

Women can form a friendship with a man very well; but to preserve it, a slight physical antipathy most probably helps.

The shifts of fortune test the reliability of friends.

Sometimes we owe a friend to the lucky circumstance that we give him no cause for envy.

Friendship is a single soul dwelling in two bodies.

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

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

Well, it's 1 a.m. Better go home and spend some quality time with the kids.

Friendship is always a sweet responsibility, never an opportunity.

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

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.

A friend is, as it were, a second self.

There is nothing better than a friend, unless it is a friend with chocolate.

A friend is one before whom I may think aloud.

In the end, we will remember not the words of our enemies, but the silence of our friends.

A friend should be a master at guessing and keeping still.

If you have a candle, the light won't glow any dimmer if I light yours off of mine.

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

Misfortune shows those who are not really friends.

Betray a friend, and you'll often find you have ruined yourself.

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