I think it's imperative to follow your heart and choose a profession you're passionate about, and if you haven't found that 'spark' yet, if you're not sure what you want to do with your lives - be persistent until you do.
“So, do I think I'm missing something? I really don't, and I think that comes with age.”
“I think in some ways it's good to have at least one thing for which you could be really immortal, you know?”