“So, life is like, again, an icy ladder. So, when you climb up, you have to be really, really energetic or you won’t be able to climb up ‘cause you slip and fall down.”

“You know, when you're young, God sweeps you up. He holds you there. The real snag is to stay there and to know how to fall. All those days when you can't hold on any longer. When you tumble. The test is being able to climb up again.”

“You cannot push anyone up a ladder unless he is willing to climb a little.”

“In the mountains of truth you will never climb in vain: either you will get up higher today or you will exercise your strength so as to be able to get up higher tomorrow.”

“Just remember, Callum when you’re floating up and up in your bubble, that bubbles have a habit of bursting. The higher you climb, the further you have to fall.”

“Books fall open, you fall in. When you climb out again, you're a bit larger than you used to be.”

“A lot of people try to boil down creation to just one thing and "what are you gonna do next" as if there's always a ladder to climb and it's like, the ladder is what you make for yourself, right?”

“Better to be at the bottom of a ladder you want to climb than in the middle of some ladder you don’t, right?”

“It’s life. You don’t figure it out. You just climb up on the beast and ride.”

“Nobody climbs mountains for scientific reasons. Science is used to raise money for the expeditions, but you really climb for the hell of it.”