It's the Circle of Life...

 I really love this song, Circle of LIfe:

Some of us fall by the wayside* And some of us soar to the stars* And some of us sail through our troubles And some have to live with the scars... Some say eat or be eaten Some say live and let live But all are agreed as they join the stampede You should never take more than you give... (Chorus) In the Circle of Life It's the wheel of fortune It's the leap of faith It's the band of hope Till we find our place On the path unwinding In the Circle, the Circle of Life!

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* Those first two lines remind me of this book... (it can be ONE person experiencing both!! Just at different times in life, so hang in there!)

ADDED: I do agree with this review though:

CPCMommy

3.0 out of 5 stars Read and explain to the child

Reviewed in the United States on April 1, 2016

This book was very confusing for me as a child. I never realized then that they were the same little girl. 

I have a sister, 16 months older, who has always been a good person.  I thought she was the good little girl, and I was the bad little girl, never realizing there was only one character in this beautifully illustrated book!  lol. and 'ope!