SEVENTH WONDER??

I wonder why so many things are associated with the number SEVEN. 
The heavens are supposed to be seven-Seventh Heaven.


The rainbow has seven colours.
The notes of music are seven.


In Indian marriages we take seven circambulations around the fire. 
There is another ceremony called Saptapadi or seven steps.


The children's game of Seven Tiles.
Snow White and the Seven Dwarfs!!Dopey, Sneezy, Bashful, Grumpy, Happy, Sleepy, Doc.

There are seven continents.

There are seven wonders of the world.

There are seven days in a week.
The seven year itch.


The atomic number Seven- Nitrogen, is a constituent of all living tissues.
I wonder,yes I wonder....