>that's discovered usually early on in childhood
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>the term is usually referenced for those in music
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Let's take Einstein for example. Einstein struggled with mathematics most of his young life. One could say he had no natural aptitude for it. His equations have changed the course of human history forever. If you read his biography you will learn that Einstein's perseverance and determination is what set him apart. By all account, he was considered a failure up until his breakthrough's.