“Held a ‘prisoner perforce inactive when a fierce activity consumes the world’, Nehru found the present had acquired the ‘immobility and unchangeableness’ of the past. Still, sequestered from the world, he felt ‘the domination of the present’— or to use a more current phrase, the urgency of now pressed in on him. Denied the freedom to act in this present, he turned to the past and made it his instrument for acting on the future.”