It would have been enough that God is Light, but He created light givers and light receivers.

It would have been enough that God if Life, but God created living organisms to be life givers.

It would have been enough that God created laws that govern the universe, but He gave Moral law for mankind.

It would have been enough that God is love, but He loves us, and we can love others.

It would have been enough that Jesus is the lamb of God, not just for the Hebrew, but as a sacrifice of sin to redeem humanity.

The Lord gave the Sabbath rest, as a reminder of freedom from slavery to sin.

Jesus is the Lion of the tribe of Judah, the LORD of Lords, who will one day rule over all and abolish death.