People in this world to live a wonderful.
How wonderful?
I don't know.
People have to have dreams in this world 。
What dreams?
I don't know.
People should have happiness in this world.
So happy ？ I don't know.
People in this world to be happy.
How to be happy?
I don't know.
people should have achievements in this world.
What grades?
I don't know.
People should learn in this world. Lifelong learning .
Save your study?
I don't know.
I don't know anything .