A pessimist sees the difficulty in every opportunity; an optimist sees the opportunity in every difficulty.
Evolutionary biologists are not content merely to explain how variation occurs within limits, however. They aspire to answer a much broader question-which is how complex organisms like birds, and flowers, and human beings came into existence in the first place.
Some Indians will come up and say that a story reminded them of something very specific to their experience. Which may or may not be the case for non-Indians.