Interstellar: The Official Movie Novelization

by Greg Keyes

This world’s a treasure, Donald. But she’s been telling us to leave for a while now. Mankind was born on Earth. It was never meant to die here.”

I like this quote

Our instincts, our emotions, are at the foundations of what makes us human. They’re not to be taken lightly.”

“The only way humans have ever figured out of getting somewhere is to leave something behind.”

Space required a certain parsimony of thought. Something was either useful, or it was dead weight, and if it was dead weight you dropped it. They had been shedding weight since the first stage booster detached while they were still in Earth’s atmosphere. Like Tars said, you had to leave something behind.

“Newton’s third law,” he said. “You have to leave something behind.”