A sense of duty, of moral obligation; a sense of "Ought To"; a sense of responsibility -- reason I studied was because of a feeling deep down inside me that I should, that I "ought to" (a sense of moral obligation, duty). I studied because I knew I should study. I studied -- getting started. I may have found it enjoyable after getting started. But the reason I did it was from a sense of duty, a sense of "ought to". It was that feeling that propelled me in the most of the things that I did then. And it is the same -- What is its source? Isn't it that voice of prudence, wisdom, good sense deep within us? The voice of reason. Or that voice of knowledge of right and wrong, of conscience? Are there