Here is what is written in the mezuza  (Deuteronomy 6:4-9 and
 11:13-21):

Hear, O Israel, the Lord is our G-d, the Lord is One.  And you shall
love the Lord your G-d with all of your heart, all of your soul and
all of your possessions.  And these words that I command to you this
day shall be upon your heart.  You shall teach them diligently to your
children and speak of them (the mitzvot) when you sit in your house
and when you walk in the road and when you lie down and rise up.  You
shall bind them upon your arm as a sign and as ornaments between your
eyes (Tefillin) and write them on the doorposts of your house
(Mezuza). 

And if you will listen to My commandments that I command you this day
to love the Lord your G-d and to serve Him with all of your heart and
with all of your soul, then I shall bring the rain for your land in
the proper time -- the spring rains and the fall rains; and you shall
gather your grain, your wine and your oil.  And I will give grass in
the fields for your animals and you will eat and be satisfied.  And
guard yourselves lest your heart be seduced and you turn and serve
other gods and bow down to them.  Then the wrath of the Almighty shall
be upon you and He will hold back the heavens.  There will not be rain
and the ground will not give forth its produce.  You will quickly be
vanquished from the good land that the Lord gave to you.  And you
shall place these words upon your heart and upon your soul and bind
them to be a sign upon your arm and as ornaments between your eyes. 
And teach them to your children to speak them while sitting in your
house, when you walk in the road, when you lie down and when you rise
up.  And write them upon the doorposts of your house and upon your
gates. (If you do this) you will lengthen your days and the days of
your children upon the land that the Almighty swore to your
forefathers to give to them for as long as the heavens are above the
earth."

    Source: geocities.com/heartland/oaks/5346/Literature

               ( geocities.com/heartland/oaks/5346)                   ( geocities.com/heartland/oaks)                   ( geocities.com/heartland)