"A God out there and values out there, if they existed, would be utterly useless and unintelligible to us. There is nothing to be gained by nostalgia for the old objectivism, which was in any case used only to justify arrogance, tyranny, and cruelty. People [forget] ... How utterly hateful the old pre-humanitarianism world was."

"Open-source encyclopedias such as Wikipedia and search engines such as Google and Bing, which people can tap into anytime and anywhere via computers and smart phones, put a world of knowledge at our fingertips at a lower cost than ever before."

"That was my first instinct -- to protect him. It never occurred to me that there was a greater need to protect myself. Innocence always calls mutely for protection when we would be so much wiser to guard ourselves against it: innocence is like a dumb leper who has lost his bell, wandering the world, meaning no harm."

"Stay within the confines of your chosen topic. If you start to stray away from your topic and find an urge to showcase everything that you know, resist that urge. Remember that you are writing a book, not the book."