“When you've tasted power or true leadership, you can't wish to go back from being a follower once again.”

“Miles and years become suddenly invisible when you find yourself back where you started from, as if you've learned nothing and you are once again the person you once were.”

“Once you squeeze toothpaste out, you can't put it back into the tube. The same is true with our words. Once we say something hurtful, we can't take it back.”

“Best of an island is once you get there - you can't go any farther… you've come to the end of things…”

“I mean, it's impossible to fake anything if you've already seen the other person in a way they'd never choose for you to. You can't go back from that.”

“Time is free, but it's priceless. You can't own it, but you can use it. You can't keep it, but you can spend it. Once you've lost it you can never get it back.”

“You've won it once. Now you'll have to go out there and win it again.”

“That is how you know you've left childhood behind-when you wish for time to go backward.”

“It felt like I'd been living underground, and for a moment, I'd been given this glimpse of the sky. Once you've seen that, how can you go back where you came from?”

“Neurotic: someone who can go from the bottom to the top, and back again, without ever once touching the middle.”