“Change is inevitable - except from a vending machine.”

“Anyone who thinks the art of conversation is dead ought to tell a child to go to bed.”

“Yet he argued that even a tedious topic can take on a certain fascination if you make an effort to look at it afresh: "The subject must be made to show new aspects of itself; to prompt new questions; in a word, to change. From an unchanging subject the attention inevitably wanders away.”

“At the beginning of the day, when you're doing a show like this, you want to entertain and you want people to have a really fun time...but at the end of the day you want them to walk out feeling changed and taking something more away from it...and it's really kind of rare that you get to do that all in the same night.”

“Whenever you squander attention on something that doesn’t put your brain through its paces and stimulate change, your mind stagnates a little and life feels dull.”

“If you really want to focus on something, says Castellanos, the optimum amount of time to spend on it is ninety minutes. "Then change tasks. And watch out for interruptions once you're really concentrating, because it will take you twenty minutes to recover.”

“Change is inevitable. Growth is optional.”