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.
“If diffraction or interference phenomena were to be sought it was therefore necessary, in accordance with the basic principles of wave theory, to select for the test arrangement far smaller decisive dimensions than those employed in corresponding tests with visible light.”
“I don't want to be in some big beautiful place that nobody want me, because I play the blues.”