"Regulation is necessary, but too much can be harmful."

"The challenge of biography isn't finding the facts - it's finding the meaning behind them."

The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion.

"The world is a book, and those who do not travel read only one page."

"You have to believe in yourself when no one else does—that's what makes you a champion."