"Mimzy returned to her own time, as if time had stopped. It was what the scientist had hoped for — to find a soul in the past not contaminated by the pollutants that filled our bodies and minds. Our precious quality of humanity had been turned off, but in Emma's tears was the instruction for an awakening; and it spread like wildflowers. People shed their protective suits. And over time humanity blossomed again. Our world was saved by a child, very much like you. Emma was our mother, the mother of us all."