"If you're afraid of everyone leaving you, what do you do?"Make them stay."And if you can't do that, or don't know how to?"Ellie shrugged. "I don't know."Yes, you do. In fact, you've done it. You leave first," Coop said, "so you don't have to watch them walk away."

“You don't love someone because they're perfect. You love them in spite of the fact that they're not.”

“What if it turns out that a life isn't defined by who you belong to, or where you came from, by what you wished for or whom you've lost, but instead by the moments you spend getting from each of these places to the next?”

“If you have a sister and she dies, do you stop saying you have one? Or are you always a sister, even when the other half of the equation is gone?”

“Let me tell you this: if you meet a loner, no matter what they tell you, it's not because they enjoy solitude. It's because they have tried to blend into the world before, and people continue to disappoint them.”

“Power isn't doing something terrible to someone who's weaker than you, … It's having the strength to do something terrible, and choosing not to.”

“Maybe who we are isn't so much about what we do, but rather what we're capable of when we least expect it.”