Philip Glass on caring about your job

[An interesting perspective](http://www.independent.co.uk/arts-entertainment/interviews/philip-glass-i-think-im-built-for-this-kind-of-life-i-train-like-an-athlete-1688870.html):

> Glass didn’t earn a living from his music, in fact, until he was 42. Until then, he drove cabs, shifted furniture and worked as a plumber. “I was careful,” he explains, “to take a job that couldn’t have any possible meaning for me.”