Some infinities are bigger than other infinities.

My thoughts are stars I cannot fathom into constellations.

As he read, I fell in love the way you fall asleep: slowly, and then all at once.”

I'm in love with you, and I'm not in the business of denying myself the simple pleasure of saying true things.

We’re as likely to hurt the universe as we are to help it, and we’re not likely to do either.”

The weird thing about houses is that they almost always look like nothing is happening inside of them, even though they contain most of our lives. I wondered if that was sort of the point of architecture.

I'm in love with you, and I know that love is just a shout into the void, and that oblivion is inevitable, and that we're all doomed and that there will come a day when all our labor has been returned to dust, and I know the sun will swallow the only earth we'll ever have, and I am in love with you.

The marks humans leave are too often scars.

What a slut time is. She screws everybody.

“You don't get to choose if you get hurt in this world...but you do have some say in who hurts you. I like my choices.”

“You gave me a forever within the numbered days, and I'm grateful.”

“Love is keeping the promise anyway.”

“Oh, I wouldn't mind, Hazel Grace. It would be a privilege to have my heart broken by you.”

“Grief does not change you, Hazel. It reveals you.”

“Books so special and rare and yours that advertising your affection feels like a betrayal.”

“Some tourists think Amsterdam is a city of sin, but in truth it is a city of freedom. And in freedom, most people find sin.”

“That’s part of what I like about the book in some ways. It portrays death truthfully. You die in the middle of your life, in the middle of a sentence.”

“You realize that trying to keep your distance from me will not lessen my affection for you. All efforts to save me from you will fail.”

“Whenever you read a cancer booklet or website or whatever, they always list depression among the side effects of cancer. But, in fact, depression is not a side effect of cancer. Depression is a side effect of dying.”

“But I will say this: When the scientists of the future show up at my house with robot eyes and they tell me to try them on, I will tell the scientists to screw off, because I do not want to see a world without him.”

“You do not immortalize the lost by writing about them. Language buries, but does not resurrect.”

“The voracious ambition of humans is never sated by dreams coming true, because there is always the thought that everything might be done better and again.”

“But I believe in true love, you know? I don't believe that everybody gets to keep their eyes or not get sick or whatever, but everybody should have true love, and it should last at least as long as your life does.”