What is the answer to this riddle?

[Ziggy]

The people that have it don't enjoy it
The people that don't know it never tell
I'm overlooked by those who seek it
In me enlightenment dwells.

What am I?

 

[RippleClash!]

hmm....grrr!!
AIDS?

 

[moonstonesandbooks]

is it religion?

 

[Yomamma]

is it nothing? its nothing.

 

[Kristina<33]

Sex?
Love?
Life?

:]

 

[Jamie]

You are a Y!A user that asked a very hard question