Sentence:  When you read "[http://www.google.com/search?q=%22Seven+Little+Rabbits%22 Seven Little Rabbits]" at age 6 and read it again 15 years later, the <WSD>hindsight</WSD> you've developed in the time between will make you look at and think of the book very differently! 
Meaning of the word marked with <WSD> tags:  Realisation or understanding of the significance and nature of events after they have occurred