On some pitch black mornings, hearing what I knew was a cold wind howling outside, I might think, "Well, it is certainly comfortable in this bed, and maybe it wouldn't hurt if I just skipped practicing to-day." But my response to this was not to draw on something called will power, to insult or threaten myself, but to take a longer look at my life, to extend my vision, to think about the whole of my experience, to reconnect present and future, and quite specifically, to ask myself, "Do you like playing the cello or not? Would you like to play it better or not?" When I put the matter this way I could see that I enjoyed playing the cello more than I enjoyed staying in bed. So I got up. If, as sometimes happened or happens, I do stay in bed, not sleeping, not really thinking, but just not getting up, it is not because will power is weak but because I have temporarily become disconnected, so to speak, from the wholeness of my life. I am living in that Now that some people pursue so frantically, that gets harder to find the harder we look for it.

John Holt, Freedom and Beyond, p. 119

See also this comment by Z_M_Davis.