“That was great. They’re calling him Buttwatcher now. Just “Watcher” in front of the teachers, but everybody knows what he’s watching.”

“Everybody dies. What matters is what you do between now and when it happens to you.”

“An enemy, Ender Wiggin," whispered the old man. "I am your enemy, the first one you've ever had who was smarter than you. There is no teacher but the enemy. No one but the enemy will tell you what the enemy is going to do. No one but the enemy will ever teach you how to destroy and conquer. Only the enemy shows you where you are weak. Only the enemy tells you where he is strong. And the rules of the game are what you can do to him and what you can stop him from doing to you. I am your enemy from now on. From now on I am your teacher.”

“I am your enemy, the first one you've ever had who was smarter than you. There is no teacher but the enemy. No one but the enemy will tell you what the enemy is going to do. No one but the enemy will ever teach you how to destroy and conquer. Only the enemy shows you where you are weak. Only the enemy tells you where he is strong. And the only rules of the game are what you can do to him and what you can stop him from doing to you. I am your enemy from now on. From now on I am your teacher. I will devise the strategy of your army, and you will learn to be quick and discover what tricks the enemy has for you. Remember, boy. From now on the enemy is more clever than you. From now on the enemy is stronger than you. From now on you are always about to lose.”

“This emotion I'm feeling now, this is love, right?""I don't know. Is it a longing? Is it a giddy stupid happiness just because you're with me?""Yes," she said."That's influenza," said Miro. "Watch for nausea or diarrhea within a few hours.”

“I'm just saying that I...I regret that everybody else has nineteen chances, and only I am limited to a single chance for my genes to continue.""Because you believe your genes would confer a great blessing upon the human race."Ram thought about this for a moment, "I suppose that's what every adolescent male believes with his whole heart.”

“We spend our lives guessing at what's going on inside everybody else, and when we happen to get lucky and guess right, we think we 'understand.' Such nonsense. Even a monkey at a computer will type a word every now and then.”