One line from every book I read, the one that stayed.

“No matter how sophisticated our choices, how good we are at dominating the odds, randomness will have the last word.”

“True!—nervous—very, very dreadfully nervous I had been and am; but why will you say that I am mad?”

“The desire for more positive experience is itself a negative experience. And, paradoxically, the acceptance of one's negative experience is itself a positive experience.”

“Either you master your mind or it masters you.”

“If you know the enemy and know yourself, you need not fear the result of a hundred battles.”

“To be, or not to be, that is the question.”

“It is only with the heart that one can see rightly; what is essential is invisible to the eye.”

“Who controls the past controls the future: who controls the present controls the past.”

“The poor and the middle class work for money. The rich have money work for them.”

“Those who BELIEVE they can achieve the object of their definite chief aim do not recognize the word impossible.”

“Look, I didn't want to be a half-blood.”

“I'll be famous one day, but for now I'm stuck in middle school with a bunch of morons.”

“The people who are crazy enough to think they can change the world are the ones who do.”

“Always make those above you feel comfortably superior.”

“Tension is who you think you should be. Relaxation is who you are.”

“Treat yourself like someone you are responsible for helping.”

“The impediment to action advances action. What stands in the way becomes the way.”

“Perception requires imagination because the data people encounter in their lives are never complete and always equivocal.”

“All animals are equal, but some animals are more equal than others.”