It is hard to rationalise or explain why you love what you love. But I have always been interested in science and maths, and in high school I was struck that you could use maths to understand nature and science.
In a sense, a hit belongs to the person who made it popular, but if a tune is good enough to attain tremendous success, then it certainly deserves more than one version, one treatment, one approach.
What drives people to public service is a sense of possibility. If you haven't sensed that possibility you don't get started in the same way, you don't feel you can have an impact.

