"Evil is an attack against human spiritual development and enlightenment. All evil, badness, neurosis - it has one motive and one motive only, which is to destroy - to destroy your chance of arising above yourself."

"You didn’t feed from her,” he said, and this was not a question.“Swill poison? Not my kind of fun, little brother.”One corner of Stefan’s mouth quirked up. He made no response to this, but simply looked at Damon with eyes that were... Knowing. Damon bridled.“I told the truth!”“Going to take it up as a hobby?"

"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."

"I shrugged. “I guess that guys who’d never do something like that have a hard time believing some other guy would,” I said, but I could see her point. Awareness and apologies were fine and good, but they could come too late."

"Post-human intelligence will develop hypercomputers with the processing power to simulate living things - even entire worlds. Perhaps advanced beings could use hypercomputers to surpass the best 'special effects' in movies or computer games so vastly that they could simulate a world, fully, as complex as the one we perceive ourselves to be in."

"For scholars and laymen alike it is not philosophy but active experience in mathematics itself that can alone answer the question: What is mathematics?"