I was interested in telescopes and the way they worked because I had an intense desire to see what things looked like, so I learned how to use telescopes and find things in the sky. ↗
My dad wanted me to play when I was a kid, so I learned to play the guitar. I pursued a career in music because I love it so much and I enjoy what it does to those who hear it. ↗
A scientist is in a sense a learned small boy. There is something of the scientist in every small boy. Others must outgrow it. Scientists can stay that way all their lives. ↗