. I have a foreboding of an America in my children’s or grandchildren’s time — when the United States is a service and information economy; when near… - Carl Sagan

I promise to question everything my leaders tell me. I promise to use my critical faculties. I promise to develop my independence of thought. I promise to educate myself so I can make my own judgements.

A little deeper was a fear of falling in love without reservation, of committing herself to someone who might then be snatched from her. Or simply leave her. But if you never really fall in love, you can never really miss it. (She did not dwell on this sentiment, dimly aware that it did not ring quite true.) Also, if she never really fell in love with someone, she could never really betray him, as in her heart of hearts she felt that her mother had betrayed her long-dead father. She still missed him terribly. With Ken it seemed to be different. Or had her expectations been gradually compromised over the years? Unlike many other men she could think of, when challenged or stressed Ken displayed a gentler, more compassionate side. His tendency to compromise and his skill in scientific politics were part of the accoutrements of his job; but underneath she felt she had glimpsed something solid. She respected him for the way he had integrated science into the whole of his life, and for the courageous support for science that he had tried to inculcate into two administrations. They had, as discreetly as possible, been staying together, more or less, in her small apartment at Argus. Their conversations were a joy, with ideas flying back and forth like shuttlecocks. Sometimes they responded to each other’s uncompleted thoughts with almost perfect foreknowledge. He was a considerate and inventive lover. And anyway, she liked his pheromones. She was sometimes amazed at what she was able to do and say in his presence, because of their love. She came to admire him so much that his love for her affected her own self-esteem: She liked herself better because of him. And since he clearly felt the same, there was a kind of infinite regress of love and respect underlying their relationship. At least, that was how she described it to herself. In the presence of so many of her friends, she had felt an undercurrent of loneliness. With Ken, it was gone. She was comfortable describing to h

Are the worlds of more advanced civilizations totally geometrized, entirely rebuilt by their inhabitants? Or would the signature of really advanced civilization be that they left no sign at all?