Mom, I'm going to be a firefly. - Liu Cixin

As to the future of humanity, I’m essentially an optimist. I believe that with the advancement of technology, mankind has a hopeful future. But this optimistic view is based on reason: on one hand, whether the future will be bright or be dark depends largely on the choices we make today.

Evans: We don't know what extraterrestrial civilization is like, but we know humanity.

strongly against nuclear weapons. She knew this was a power that should belong only to the stars.