The Prophet on Marriage by Khalil Gibran
Then Almitra spoke again and said...
"And what of Marriage, master?"
And he answered saying:
You were born together,
and together you shall be forevermore.
You shall be together when the white wings
of death scatter your days.
Aye, you shall be together even in the
silent memory of God.
But let there be spaces in your togetherness,
And let the winds of the heavens dance between
you.
Love one another, but make not a bond of love.
Let it rather be a moving sea between
the shores of your souls.
Fill each other's cup but drink not from one
cup.
Give one another of your bread but eat not
from the same loaf.
Sing and dance together and be joyous,
but let each of you be alone,
Even as the strings of a lute are alone
though they quiver with the same music.
Give your hearts, but not into each other's
keeping.
For only the hand of Life can contain your
hearts.
And stand together, yet not too near together.
For the pillars of the temple stand apart,
And the oak tree and the cypress
grow not in each 
other's shadow.
