If I be one of the 18 great thinkers, I will think about being forever young. I think it is fun to live many many years. You can see what will happen in the future, you can visit all interesting places of the world… If I could live so long, I will write books about my adventures. But I don’t want to be in the same body all the time. I think that in the future you can easily change your body how you like. When you want young body, you will change it, or the same for opposite way.
I thought about what I have written above, and understood that if my writings be real, it will be the end of the world!!