Maybe this article helps, not sure.

Baccalaureate address to Class of 2008 (excerpt)
President Faust, Harvard, (full text on...)

I think you are worried because you want your lives not just to be conventionally successful, but to be meaningful, and you are not sure how those two goals fit together. You are not sure if a generous starting salary at a prestigious brand name organization together with the promise of future wealth will feed your soul.

....I think there is a second reason you are worried — related to but not entirely distinct from the first. You want to be happy. You have flocked to courses like “Positive Psychology” — Psych 1504 — and “The Science of Happiness” in search of tips. But how do we find happiness? I can offer one encouraging answer: get older. Turns out that survey data show older people — that is, my age — report themselves happier than do younger ones. But perhaps you don’t want to wait.

....you won’t know till you try. But if you don’t try to do what you love — whether it is painting or biology or finance; if you don’t pursue what you think will be most meaningful, you will regret it. Life is long. There is always time for Plan B. But don’t begin with it.

....But what is ultimately most important here is that you are asking the question — not just of me but of yourselves. You are choosing roads and at the same time challenging your own choices. You have a notion of what you want your life to be and you are not sure the road you are taking is going to get you there. This is the best news. And it is also, I hope, to some degree, our fault. Noticing your life, reflecting upon it, considering how you can live it well, wondering how you can do good....