The Shema Israel Prayer . is considered the profession of faith and one of the most important prayers in Judaism, to be recited when getting up, when going to bed (on one's bed, but also on one's deathbed), on the way, in one's home, and at teach his children.
He enjoins to love Di.., the Di.. One, with all one's heart, with all one's mind and with all one's excess (that is to say, to surpass oneself at every moment in this love).