“I ought to have awe­some core strength, you know, because this bal­anc­ing thing is hard work.”

“Makes you grow up quick. Hard work makes you strong. I work hard every day; that's where I get my strength. That and knowing who I am.”

“My brain is only a receiver, in the Universe there is a core from which we obtain knowledge, strength and inspiration. I have not penetrated into the secrets of this core, but I know that it exists.”

“[N]ow that I am drawing to the close of this work, in which I have spoken of so many important things done by the Americans, to what the singular prosperity and growing strength of that people ought mainly to be attributed, I should reply: To the superiority of their women.”

“Because there is no challenge, there is no reason to work hard. And with no reason to work hard, we all have become lazy. Lazy people are like cancer. They spread. Before you know it, the entire country is destroyed.”

“I've read something that Bill Gates said about six months ago. He said, ‘I worked really, really hard in my 20s.’ And I know what he means, because I worked really, really hard in my 20s too. Literally, you know, 7 days a week, a lot of hours every day. And it actually is a wonderful thing to do, because you can get a lot done. But you can't do it forever, and you don't want to do it forever, and you have to come up with ways of figuring out what the most important things are and working with other people even more.”