These are the two thing that came into my mind today.

Truth

If all the truths in the world are revealed, nobody will be debating anymore. Everybody will be fighting.
If everybody tells the truth, the world will be boring. We want to know the truth but to hear lies.

Originality

After millions of years, do you still think that whatever you do or say nobody in the world has ever done it before?
You're original if you patent it before the first guy does.